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Roger Taverner writes his Arte of Surveyinge.

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Giovanni Padovani publishes a detailed treatise on the construction of sundials, Opus de compositione et usu multiformium horologiorum solarium, in Venice.

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English seaman William Bourne publishes a manual, Inventions or Devises, Very Necessary for all Generalles and Captaines, as wel by Sea as by Land, including an early theoretical description of a submarine.

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Bevis Bulmer sets up a system at Blackfriars, London, for pumping a public water supply.

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The first flintlock musket likely created for Louis XIII of France by gunsmith Marin Bourgeois.

Richard Braithwaite coined the phrase ‘computer’.

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Slide Rule invented by William Oughtred

Francis Bacon develops a method of steganography that used an underlying binary code for the letters of the alphabet.

Wilhelm Schickard designs a calculating machine.

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Pascal's calculator or the Pascaline constructed

The mezzotint printmaking method was invented by the German amateur artist Ludwig von Siegen. Mezzotint is a printmaking process of the intaglio family, technically a drypoint method. It was the first tonal method to be used, enabling half-tones to be produced without using line- or dot-based techniques like hatching, cross-hatching or stipple. Mezzotint achieves tonality by roughening the plate with thousands of little dots made by a metal tool with small teeth, called a "rocker." In printing, the tiny pits in the plate hold the ink when the face of the plate is wiped clean. A high level of quality and richness in the print can be achieved.

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Samuel Morland builds a mechanical calculator that will add and subtract

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Gottfried Wilhelm von Leibniz invents the Staffelwalze (stepped drum, or stepped reckoner), the first mechanical calculator that could perform all four mathematical operations. Its intricate precision gearwork, however, was somewhat beyond the fabrication technology of the time; mechanical problems, in addition to a design flaw in the carry mechanism, prevented the machines from working reliably. Despite the mechanical flaws, it suggested possibilities to future calculator builders. The operating mechanism, invented by Leibniz, called the stepped cylinder or Leibniz wheel, was used in many calculating machines for 200 years, and into the 1970s with the Curta hand calculator. In discussing his invention, Leibniz wrote Indignum enim est excellentium virorum horas servii calculandi labore perire, qui Machina adhibita vilissimo cuique secure transcribi posset — For it is unworthy of distinguished men to waste their time with slavish calculations, which can be done safely with the use of this machine by anyone else.

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Gottfried Wilhelm Leibniz invents the Binary System

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Jakob Christoph Le Blon, an engraver, invents three-color printing.

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Daniel Gabriel Fahrenheit constructs a mercury thermometer with a temperature scale.

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Johann Heinrich Schulze makes fleeting sun prints of words by using stencils, sunlight, and a bottled mixture of chalk and silver nitrate in nitric acid, simply as an interesting way to demonstrate that the substance inside the bottle darkens where it is exposed to light.

Porcelain is first manufactured in Vienna.

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Johann Heinrich Schulze discovered that silver nitrate darkened upon exposure to light.

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The Microscope Made Easy, by Henry Baker, introduces the construction and use of the microscope to the layman.

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Bifocal spectacles are invented by Benjamin Franklin.

First fire escape patented, consisting of a wicker basket on a pulley and chain.

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James Watt patents the modern steam engine, which finds wide use in manufacturing. It is an early milestone of the Industrial Revolution.

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Joseph and Jacques Montgolfier make first public balloon flight.

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First balloon flight across English Channel (Jean-Pierre Blanchard and John Jeffries).

French balloonists Jean-François Pilatre de Rozier and Jules Romain are killed when their Royal Balloon crashes near Boulogne, France, June 15, 1785, in what is considered the first aerial disaster.

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Bourbon Whiskey is first created by Elijah Craig in Bourbon, Kentucky.

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Charles Babbage is Born

John Stone, Concord, Massachusetts, patents a pile driver.

New York City traffic regulation creates first one-way street.

Guillotine first used (to execute highwayman Nicolas J. Pelletier).

France becomes first country to use the metric system.

Eli Whitney invents the cotton gin (cotton enGINe), a machine that quickly and easily separates cotton fibers from their seeds, allowing for much greater productivity than manual cotton separation. By reducing the labor of removing seeds, the cotton gin made cotton growing more profitable, thereby raising demand for slave labor. The first federal census of 1790 counted 697,897 slaves; by 1810, there were 1.2 million slaves, a 70 percent increase. Slavery spread from the seaboard to some of the new western territories and states as new cotton fields were planted, and by 1830 it thrived in more than half the continent. Within 10 years after the cotton gin was put into use, the value of the total United States crop leaped from $150,000 to more than $8 million.

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Thomas Wedgwood conceives of making permanent pictures of camera images by using a durable surface coated with a light-sensitive chemical. He succeeds only in producing silhouettes and other shadow images, and is unable to make them permanent.

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Robert Fulton develops the first practical steamboat, the Clermont, which sails from New York City to Albany and back.

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Ada, Lady Lovelace, is Born

Nicéphore Niépce succeeds in making negative photographs of camera images on paper coated with silver chloride, but cannot adequately "fix" them to stop them from darkening all over when exposed to light for viewing.

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The Arithmometer was the first commercially successful mechanical calculator patented

Michael Faraday invents the electric motor and generator.

Charles Babbage takes first steps in the construction of machines that would compute numbers

Nicéphore Niépce abandons silver halide photography as hopelessly impermanent and tries using thin coatings of Bitumen of Judea on metal and glass. He creates the first fixed, permanent photograph, a copy of an engraving of Pope Pius VII, by contact printing in direct sunlight without a camera or lens. It is later destroyed; the earliest surviving example of his "heliographic process" is from 1825.

Physicist Michael Faraday (1791-1867) describes the liquification of chlorine in On fluid chlorine. Faraday finds that gasses of certain kinds, when kept under constant pressure, will condense until they cool. This latter discovery ushers in the beginning of mechanical methods of refrigeration.

Small-scale drilling for oil begins at Baku, a Russian port city on the west coast of the Caspian Sea, now the capital of Azerbaijan. The drilling marks the beginning of the modern petroleum industry, and by 1900 nearly half the world's oil will come from the Baku oil fields.

Nicéphore Niépce makes the first durable, light-fast camera photograph, similar to his surviving 1826-1827 photograph on pewter but created on the surface of a lithographic stone. It is destroyed in the course of subsequent experiments.

The Erie Canal (from Albany to Buffalo, New York) opens on October 26, connecting the Midwestern U.S. with the Atlantic Ocean, via the Great Lakes, and stimulating the development of Fort Dearborn (know today as Chicago), Cleveland and Columbus Ohio, and upstate New York cities like Rochester, Syracuse and Little Falls.

The first passenger steam railway opens, between Stockton and Darlington, England.

Photograph by Joseph Niépce: View from the Window at Le Gras, the world's first permanent photograph.

The first photographic images produced by Joseph-Nicéphore Niépce

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The first steam locomotive to operate on a U.S. railroad begins service between Carbondale and Honesdale, Pennsylvania. The engine, "The Stourbridge Lion", has been imported from the Stephenson Engine Works in London.

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In November, the New York and Harlem Railroad begins service, and heralds the start of rapid mass transit in New York City. Two horse-drawn rail cars operate every 15 minutes between 14th Street and Prince Street, along the Bowery. The fare is 25 cents.

Ada Lovelace Meets Charles Babbage

Hércules Florence, a French-Brazilian painter and the isolate inventor of photography in Brazil, coined the word photographie for his technique, at least four years before John Herschel coined the English word photography.

Charles Babbage invents the "analytical engine" — the forerunner of the modern computer.

Henry Fox Talbot produces durable silver chloride camera negatives on paper and conceives the two-step negative-positive procedure used in most non-electronic photography up to the present.

Alonzo D. Phillips, a shoemaker from Springfield, Massachusetts, patents the phosphorous match.

Charles Babbage published a paper describing a mechanical computer that is now known as the Analytical Engine

Samuel F. B. Morse sends his first message by electric telegraph — "What hath God wrought!" — on an experimental line between Washington DC and Baltimore, Maryland.

The S.S. Sirius and the S. S. Great Western are the first ships powered entirely by steam to cross the Atlantic. Both ships are designed by engineer Isambard Kingdom Brunel (1806-1859).

Louis-Jacques-Mandé Daguerre perfects and presents the daguerreotype process as the first publicly available photographic process (which for nearly twenty years was also the one most commonly used). To make the image, a daguerreotypist would polish a sheet of silver-plated copper to a mirror finish, treat it with fumes that made its surface light sensitive, expose it in a camera for as long as was judged to be necessary, which could be as little as a few seconds for brightly sunlit subjects or much longer with less intense lighting; make the resulting latent image on it visible by fuming it with mercury vapor; remove its sensitivity to light by liquid chemical treatment, rinse and dry it, then seal the easily marred result behind glass in a protective enclosure.

Henry Fox Talbot publicly introduces the paper-based process he worked out in 1835, calling it "photogenic drawing", but it requires much longer exposures than the daguerreotype and the results are not as clear and detailed.

John Herschel introduces hyposulfite of soda (now known as sodium thiosulfate but still nicknamed "hypo") as a highly effective fixer for all silver-based processes. He also makes the first glass negative.

Sarah Anne Bright creates a series of photograms, six of which are known to still exist. These are the earliest surviving photographic images created by a woman.

Although a bicycle consisting of a frame and wheels has existed for years, blacksmith Kirkpatrick MacMillan (1813-1878), introduces the first bicycle in its modern form, with brakes and pedals. The bike has iron tires and weighs nearly 60 pounds.

Inventor Erastus Brigham Bigelow (1814-1879) introduces the power loom in Massachusetts.

The first electric clock is built by physicist Carl August Steinheil (1801-1870).

First American patent issued in photography to Alexander Wolcott for his camera.

The first postage stamp, called the "Penny Black" and bearing the image of Queen Victoria, is issued in England.

The oil-immersion microscope is invented by Giovanni Battista Amici (1786-1863), a former professor of mathematics who is now the director of the observatory at the Royal Museum in Florence, and an astronomer to the Grand Duke of Tuscany. The objective lens of this microscope is immersed in a drop of oil which sits on top of the object under study; this helps to minimize aberrations caused by the light source.

William Henry Talbot patents the Calotype process, the first negative-positive process making possible the first multiple copies.

Henry Fox Talbot introduces his patented calotype (or "talbotype") paper negative process, an improved version of his earlier process that greatly reduces the required exposure time.

In Paris, street lights made from arc lamps are demonstrated.

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Jerome Increase Case, a 24 year-old farmer from Oswego County, New York, introduces the J. I. Case Threshing Machine. The J. I. Case Company will manufacture farm equipment and will become the largest thresher producer in the world.

The first tunnel under the Thames opens on March 25, built by Isambard Kingdom Brunel (1806-1859). {a]The Thames Tunnel{/a} connects Rotherhithe and Wapping, London. Although it was a triumph of civil engineering, the Thames Tunnel was not a financial success. It had cost a fortune to build — £454,000 to dig and another £180,000 to fit out — far exceeding its initial cost estimates. Proposals to extend the entrance to accommodate wheeled vehicles failed owing to cost, and it was only used by pedestrians. It became a major tourist attraction, attracting about two million people a year, each paying a penny to pass through.

In Hartford, Connecticut, dentist Horace Wells (1815-1848) uses nitrous oxide as an anesthetic; he is the first to do so.

Francis Ronalds invents the first successful camera for continuous recording (the first "movie camera") of the variations in meteorological and geomagnetic parameters over time. A copy of Ronalds' paper describing describing his device maybe obtained HERE.

The bridge spanning the Allegheny River, at Pittsburgh, designed by engineer John Augustus Roebling (1806-1869), opens in May. It is the first wire cable suspension aqueduct bridge in the world.

Nitroglycerine is discovered by chemist Ascanio Sobrero (1811-1870), although he uses to term "pyroglycerine". Because of the risks involved in its production, it will not be manufactured commercially for more than a decade.

The lock-stitch sewing machine is patented by Elias Howe (1819-1867).

The rotary, or "lightning" printing press is patented by Richard March Hoe (1812-1886). It is used first by the Philadelphia Public Ledger.

Edmond Becquerel makes the first full-color photographs, but they are only laboratory curiosities: an exposure lasting hours or days is required and the colors are so light-sensitive that they sometimes fade right before the viewer's eyes while being examined.

A unmanned Montgolfier balloon is used to drop bombs on Venice. This is the first time a bombing has been conducted from the air.

"Bibless overalls" made of canvas are sold by the 20 year-old Levi Strauss in San Francisco. Within three years he will switch to denim and dye his pants indigo blue.

Arithmometer: first commercially successful mechanical calculator launched

The fast-acting Collodion process invented by Frederick Scott Archer. Images require only two or three seconds of light exposure. Collodion process, mostly synonymous with the "collodion wet plate process", requires the photographic material to be coated, sensitized, exposed and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field. Collodion is normally used in its wet form, but can also be used in humid ("preserved") or dry form, at the cost of greatly increased exposure time. The latter made the dry form unsuitable for the usual portraiture work of most professional photographers of the 19th century. The use of the dry form was therefore mostly confined to landscape photography and other special applications where minutes-long exposure times were tolerable.

Isaac Singer patents the continuous-stitch sewing machine.

The Erie Railroad, now controlled by Daniel Drew, becomes the first rail line connecting the Great Lakes with New York City, and begins to compete with the Erie Canal as a transportation route.

In South Bend, Indiana, Clement and Henry Studebaker found Studebaker Brothers. Joined by a third brother, John, in 1858, the company will become the world's largest maker of wagons and carriages.

In Sweden, safety matches are patented by J. E. Lundstrom.

The brown paper bag is invented.

The elevator is invented, facilitating the future development of skyscrapers.

The U.S. state of Pennsylvania adopts a non-standard railroad gauge in order to prevent New York's Erie Railroad from establishing a route, through Pennsylvania, to Ohio.

Potato chips are invented.

André-Adolphe-Eugène Disdéri credited with introduction of the carte de visite (English: visiting card or calling card) format for portraiture. Disdéri uses a camera with multiple lenses that can photograph eight different poses on one large negative. After printing on albumen paper, the images are cut apart and glued to calling-card-size mounts. Photographs had previously served as calling cards, but Disdéri's invention of the paper carte de visite (i.e. "visiting card") enabled the mass production of photographs. On 27 November 1854 he patented the system of printing ten photographs on a single sheet (although there is no evidence that a system printing more than eight actually materialized). Disdéri's's cartes de visite were 6×9 cm, about the size of conventional (nonphotographic) visiting cards of the time, and were made by a camera with four lenses and a sliding plate holder; a design inspired by the stereoscopic cameras. The novelty quickly spread throughout the world. According to a German visitor, Disdéri's studio became "really the Temple of Photography - a place unique in its luxury and elegance. Daily he sells three to four thousand francs worth of portraits". The fact that these photos could be reproduced inexpensively and in great quantity brought about the decline of the daguerreotype and ushered in a carte de visite craze as they became enormously popular throughout Europe and the United States. Disdéri also invented the twin-lens reflex camera.

A mercury pump is developed by inventor Heinrich Geissler, to produce vacuum tubes. The first cathode rays will be observed in these tubes, after they are modified and improved by Sir William Crookes.

Engineer Frederick Taylor carries out "time-motion" studies of workers with the idea of making their labor more efficient. He will pioneer the "scientific management" of the workplace.

A railway bridge spanning the Mississippi opens between Rockville, Illinois, and Davenport, Iowa. Abraham Lincoln, a lawyer, will defend the legality of the bridge before the Supreme Court, in response to a "right of way" suit brought by a steamship company.

During Easter vacation from London's Royal College of Chemistry, 18-year-old William Henry Perkin synthesized mauve, or aniline purple — the first synthetic dyestuff — from chemicals derived from coal tar. Mauve was enthusiastically adopted by the fashion industry in England and synthetic dyes quickly destroyed the market for natural substances derived from plants like indigo and madder. Perkin's creation was an accident — he was trying to synthesize quinine.

The "Bessemer process" for making inexpensive steel, which involves using blasts of cold air to decarbonize melted pig iron, is developed by inventor Henry Bessemer.

The 458-mile Wabash and Erie Canal opens after 24 years, and is the largest canal ever dug in the U.S. By 1860, however, sections will begin to be close, and, unable to compete for railroads, the entire Canal will be closed by 1874.

In Burrville, Connecticut, commercial production of Gail Borden's patented "condensed milk" begins. The product is made from skim milk, without any fat and without a number of nutrients found in cow's milk.

In California, Tokay, Zinfandel, and Shiraz grapes (all from Hungary) are first planted, and Italian honeybees are introduced. This is the beginning of the U.S. wine and honey industries. In North America, honey bees are an artificially introduced and invasive species.

Robert Wilhelm von Bunsen (along with Henry Roscoe) publish a design for a laboratory burner in Poggendorff's Annalen der Physik und Chemie, 100:84-85.

J. Schweppe & Co. Ltd. patents a quinine tonic water that they will begin selling in 1880.

John Landis Mason patents a reusable glass jar.

In Titusville, Pennsylvania, commercial production of petroleum begins, with drilling of the first well by Edwin Laurentine Drake. The well will produce approximately 400 gallons/day.

The first internal combustion engine is developed by Jean-Joseph-Etienne Lenoir. The engine uses coal gas.

Herman Hollerith was born 29th February 1860

Emil Erlenmeyer invents the flask.

Oliver Wendell Holmes invents stereoscope viewer

James Clerk Maxwell presents a projected additive color image of a multicolored ribbon, the first demonstration of color photography by the three-color method he suggested in 1855. It uses three separate black-and-white photographs taken and projected through red, green and blue color filters. The projected image is temporary but the set of three "color separations" is the first durable color photograph.

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Louis Ducos du Hauron patents his numerous ideas for color photography based on the three-color principle, including procedures for making subtractive color prints on paper. They are published the following year. Their implementation is not technologically practical at that time, but they anticipate most of the color processes that are later introduced.

Wallace Clement Ware Sabine becomes the first acoustical engineer and uses acoustic principles to design Boston's Symphony Hall.

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Richard Leach Maddox invents the gelatin dry plate silver bromide process. Negatives no longer had to be developed immediately. Long before his discovery of the dry gelatin photographic emulsion, Maddox was prominent in what was called photomicrography - photographing minute organisms under the microscope. The eminent photomicrographer of the day, Lionel S. Beale, included as a frontispiece images made by Maddox in his manual 'How to work with the Microscope'.

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QWERTY keyboard invented

Hermann Wilhelm Vogel discovers dye sensitization, allowing the blue-sensitive but otherwise color-blind photographic emulsions then in use to be made sensitive to green, yellow and red light. Technical problems delay the first use of dye sensitization in a commercial product until the mid-1880s; fully panchromatic emulsions are not in common use until the mid-20th century.

Thomas J. Watson Sr. is born

The first electric tram operates in New York City.

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Ferdinand Hurter and Vero Charles Driffield begin systematic evaluation of sensitivity characteristics of photographic emulsions — the science of sensitometry. They also invent a photographic exposure estimation device known as an actinograph. In 1920, William Bates Ferguson edits a memorial volume: The Photographic Researches of Ferdinand Hurter & Vero C. Driffield: Being a Reprint of Their Published Papers, Together With a History of Their Early Work & a Bibliography of Later Work on the Same Subject.

Phonograph Invented by Edison On December 15th, Thomas Edison applied for a patent for his phonograph. Edison initially believed it would be used to record business sessions, or family voices. Edison became famous with this invention and was invited to the White House for a demonstration.

Willgodt T. Odhner granted a patent for a calculating machine

Eadweard Muybridge uses a row of cameras with trip-wires to make a high-speed photographic analysis of a galloping horse. Each picture is taken in less than the two-thousandth part of a second, and they are taken in sufficiently rapid sequence (about 25 per second) that they constitute a brief real-time "movie" that can be viewed by using a device such as a zoetrope, a photographic "first".

Heat ripening of gelatin emulsions is discovered. This greatly increases sensitivity and makes possible very short "snapshot" exposures.

The world's first oil tanker — the Zoroaster — is launched, in the Caspian Sea. The ship was designed by Ludvig Nobel, the brother of Alfred Nobel.

The first electric street lighting appears, in London.

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The first hydro-electric plant opens, in Wisconsin.

Scheutz invents the first printing calculator

German engineer Gottlieb Daimler creates a portable engine that leads to the age of the automobile.

George Eastman invents flexible, paper-based photographic film.

James Dewar invents a thermos bottle in which heat is prevented from leaking via vacuum between two glass walls. The model becomes known as the Dewar Flask.

The world's first skyscraper, the Home Insurance Company Building, is erected in Chicago.

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Dorr E. Felt was granted a patent for the Comptometer.

Introduction of the Comptometer by Felt & Tarrant Co

Celluloid film base introduced.

Babbage's Analytical Engine Operates For The First Time

Burroughs Receives Patent for Calculating Machine

Introduction of its adder-lister by William Seward Burroughs

Eastman patents Kodak roll-film camera.

Louis Le Prince makes Roundhay Garden Scene. It is believed to be the first-ever motion picture on film.

John Boyd Dunlop, trained as a veterinary surgeon, devises the first practical pneumatic tire in response to a request from his son for a more comfortable tricycle. His first effort involved an inflated section of garden hose, fitted to the rear wheels of the tricycle. Although born in Scotland, Dunlop spent most of his life in Northern Ireland, where his image occurs on the current £10 note, issued by the Northern Bank.

Herman Hollerith lodges patent for Punch Card technology

Nintendo is founded

The first commercially available transparent celluloid roll film is introduced by the Eastman Company, later renamed the Eastman Kodak Company and commonly known as Kodak.

Herman Hollerith designs tabulating machines for 1890 U.S. Census

Hypertext Pioneer Vannevar Bush Is Born

US Census Bureau announces results using Herman Hollerith's machine

Gabriel Lippmann announces a "method of reproducing colors photographically based on the phenomenon of interference".

William Kennedy Laurie Dickson develops the "kinetoscopic" motion picture camera while working for Thomas Edison.

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Auguste and Louis Lumière invent the cinématographe.

Cornflakes are invented in Battle Creek, Michigan, by John Harvey Kellogg — the chief medical officer of the Battle Creek sanitarium.

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America's first subway opens, in Boston.

Russian physicist Alexander Popov uses an antenna to transmit radio waves over a distance of 5 km.

Kodak introduces the Folding Pocket Kodak.

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Kodak introduces their first Brownie, a very inexpensive user-reloadable point-and-shoot box camera.

Herman Hollerith patents Apperatus For Punching Record Cards

Kodak introduces the 120 film format.

The Metro subway opens in Paris.

Arthur Korn devises practical telephotography technology (reduction of photographic images to signals that can be transmitted by wire to other locations).Wire-Photos are in wide use in Europe by 1910, and transmitted to other continents by 1922.

The first motor taxis appear in London

The Rolls-Royce company is founded in Britain.

The first motorized buses operate in London.

The first neon signs appear.

Computer Pioneer Grace Hopper is Born

The Autochrome plate is introduced. It becomes the first commercially successful color photography product.

Kinemacolor, a two-color process known as the first commercial "natural color" system for movies, is introduced.

General Motors Corporation is formed.

The Ford Motor Company produces the first Model T. Ultimately, more than 15 million will be produced.

Kodak announces a 35 mm "safety" motion picture film on an acetate base as an alternative to the highly flammable nitrate base. The motion picture industry discontinues its use after 1911 due to technical imperfections.

The plastic age begins with the first commercial manufacture of Bakelite.

Three companies merge to become C-T-R

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Thomas Edison introduces a short-lived 22 mm home motion picture format using acetate "safety" film manufactured by Kodak.

Vest Pocket Kodak using 127 film.

Roland Garros, a French aviator, becomes the first person to fly across the Mediterranean. Garros' original plan was to fly from St. Raphael in France to Bizerta, Tunisia, with the possibility of a fueling stop on Sardinia. En route, the trip seemed to be going well, so he skipped the refueling stop and flew directly to Bizerta, where he arrived at 1:45pm, with about five liters of fuel left in his tank.

Oskar Barnack develops a prototype camera for testing 35mm movie film. This device, now often referred to as an UR-Leica, was quickly recognized as a miniature camera for producing still images. A dozen years later, the first commercially available 35mm still camera was marketed as the Leica I.

Kodak makes 35 mm panchromatic motion picture film available on a bulk special order basis.

Hans Geiger unveils his radiation detector.

Thomas J. Watson Sr. joins C-T-R

Kodak introduces the Autographic film system.

The World, the Flesh and the Devil, made in Kinemacolor, is the first dramatic feature film in color released.

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Core memory inventor Jay Forrester is born

ENIAC Designer Presper Eckert Is Born

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Kodak makes 35 mm panchromatic motion picture film available as a regular stock.

Integrated Circuit Co-Inventor Jack Kilby is Born

Harold Edgerton invents the xenon flash lamp for strobe photography.

The 16 mm amateur motion picture format is introduced by Kodak. Their Cine-Kodak camera uses reversal film and all 16 mm is on an acetate (safety) base.

C-T-R becomes IBM

First patent for a transistor in Canada lodged

January 1925 Douglas Engelbart is Born

Supercomputer Pioneer Seymour Cray is Born

The Leica I 35mm still camera was introduced at the Leipzig Spring Fair in Germany, thereby launching the 35mm format for portable photography.

Kodak introduces its 35 mm Motion Picture Duplicating Film for duplicate negatives. Previously, motion picture studios used a second camera alongside the primary camera to create a duplicate negative.

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Introduction of 80-columns card format

Herman Hollerith Died

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"Flowers and Trees", the first full-color cartoon, is made in Technicolor by Disney.

Kodak introduces the first 8 mm amateur motion picture film, cameras, and projectors.

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IBM 405 Alphabetical Accounting Machine introduced

The 135 film cartridge is introduced, making 35 mm easy to use for still photography.

Becky Sharp, the first feature film made in the full-color "three-strip" version of Technicolor, is released.

Introduction of Kodachrome multi-layered color reversal film (16 mm only; 8 mm and 35 mm follow in 1936, sheet film in 1938).

At Cambridge Alan Turing invented the principle of the modern computer

Konrad Zuse Files For Patent

Agfacolor Neu (English: New Agfacolor) color reversal film for home movies and slides.

Introduction by IHAGEE of the Ihagee Kine Exakta 1, the first 35 mm SLR (Single Lens Reflex) camera.

Alan Turing Defines the Universal Machine

ILLIAC IV Designer Slotnick is born

The Atanasoff–Berry Computer first conceived

Zuse Z1 built by Konrad Zuse

Hewlett Packard Founded

Agfacolor negative and positive 35 mm color film stock for professional motion picture use (not for making paper prints).

The View-Master 3-D viewer and its "reels" of seven small stereoscopic image pairs on Kodachrome film are introduced.

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Zuse Z3 machine completed

The Atanasoff-Berry Computer is completed

Kodacolor, the first color film that yields negatives for making chromogenic color prints on paper. Roll films for snapshot cameras only, 35 mm not available until 1958.

The Colossus Mark 1 computer is delivered to Bletchley Park

The First Computing Journal

Work begins on ENIAC

First Harvard Mark 1 shipped

Grace Hopper recorded the first actual computer "bug"

Patent is Filed for the Harvard Mark I

Vannevar Bush publishes his ideas for MEMEX, a proto-hypertext system and forerunner to the World Wide Web

Alan Turing Proposal For 'ACE' Automatic Computing Engine

ENIAC Unveiled

ENIAC, short for Electronic Numerical Integrator And Computer was announced

Frederick Williams Receives Patent for RAM device

J Lyons executives report on the potential of computers to automate clerical work

The Williams tube won the race for a practical random-access memory

Dennis Gabor invents holography.

Harold Edgerton develops the Rapatronic camera for the U.S. government.

IBM´s Selective Sequence Electronic Calculator was built

The Manchester Baby, the world's first stored program computer, ran its first program

Edwin H. Land introduces the first Polaroid instant camera.

The Hasselblad 1600F camera is introduced.

EDSAC performed its first calculations

EDSAC ran its first programs

EDVAC goes onlline

Jay Forrester Records "Core Memory" Idea

Professor Bill Phillips unveils Phillips Hydraulic Economic Modelling Computer at the LSE

The Contax S camera is introduced, the first 35 mm SLR camera with a pentaprism eye-level viewfinder.

The first Elliott 152 computer appeared

Zuse sold first Z4 computer

Ferranti Mark 1 delivered to Manchester University

LEO I computer became operational

The first UNIVAC was delivered

UNIVAC-1 goes online

CBS News Uses UNIVAC Computer to Predict Election

Grace Hopper completes the A-0 Compiler

Heinz Nixdorf founded Nixdorf Computer

Bwana Devil, a low-budget polarized 3-D film, premieres in late November and starts a brief 3-D craze that begins in earnest in 1953 and fades away during 1954.

IBM announces the Model 650 computer

Jay Forrester installed magnetic core memory at MIT

20th September First FORTRAN Program Runs

IBM Announces Model 705 Computer

Jack Tramiel starts Commodore

Leica M Introduced

Apple Co-Founder Steve Jobs is Born

Bill Gates, cofounder of Microsoft Corporation, was born

English Electric Deuce Computers introduced

ENIAC is retired

First keyboard used to input data

IBM brings out the Magnetic Disk Memory

IBM introduces the IBM 350

Jay Forrester Receives Patent on "Core" Memory

Pegasus, produced by Ferranti Ltd., went into service in March 1956

Wang Sells Core Memory Patent to IBM

BCS - British Computer Society is Founded

CDC Introduces 1604 Computer

DEC is founded

Ferranti Mercury Introduced

FORTRAN-1 is formally published

May 1957 LEO II Installed

First Asahi Pentax SLR introduced.

First digital computer acquisition of scanned photographs, by Russell Kirsch et al. at the U.S. National Bureau of Standards (now the NIST).

Jack Kilby created the first integrated circuit

COBOL is introduced

The Xerox 914 is the first office copier for sale

AGFA introduces the first fully automatic camera, the Optima.

Nikon F introduced.

DEC released its first mini computer: PDP-1

Clive Sinclair founds Sinclair Radionics

Computerized spreadsheets for use in business accounting developed

LEO III completed in 1961

Minivac 601 Computer Launched

Robert Noyce Awarded Patent for "Integrated Circuit"

"Music from Mathematics" LP was created using an IBM 7090 computer

The first commercial Modem manufactured

The Machester Atlas was inaugurated on 7th December 1962

Douglas Engelbart Invents the Mouse

First edition of the ASCII standard was published.

Theodore H (Ted) Nelson coins the word Hypertext

Kodak introduces the Instamatic.

BASIC language developed

First operation of BASIC

First operation of Ferranti Atlas

Graphic tablet developed

IBM releases the System 360 range of commercial computers

Introduction of CDC 6600

Introduction of DEC PDP-7 18-bits minicomputer

First Pentax Spotmatic SLR introduced.

Commodore Business Machines (CBM) is founded.

DEC unveils the PDP-8,

Introduction of Wang 300 electronic calculator

Moore's Law coined

Introduction of DEC PDP-9

The hand-held pocket calculator was invented at Texas Instruments in 1966

Barclays Bank in the UK claims to have installed the first cash dispenser

Elliott Automation merged with English Electric

Introduction of DEC PDP-10

First MOS 10 by 10 active pixel array shown by Noble

CDC Introduces the 7600 Supercomputer

Douglas C. Engelbart publicly demonstrates the mouse

IBM tests a 8in floppy disc

Integrated Circuits First Used in Apollo Moon shot

Introduction of HP-9100 desk calculator

Robert Noyce and Gordon Moore found Intel Corporation

T J Watson and IBM granted patent for the DRAM

AMD Advanced Micro Devices is founded

ARPANET launch the world's first successful packet-switched wide area computer network

DEC PDP-15 Introduced

First flight to Moon of Apollo XI with Raytheon Apollo Guidance Computer

Honeywell releases the H316 "Kitchen Computer",

Intel announces a 1 kilobit RAM chip

Plessey buys out Ferranti's numerical Control Interests

5200 computers installed in Britain

Computer terminals in homes predicted for 1980

DEC introduces the PDP-8/E

IBM 370/145 introduced

Open University to install ICL 32K 1902A computer

Univac 1110 is introduced

UNIX is developed

Xerox opens the Palo Alto Research Center (PARC)

Burroughs introduces L500 Visible Record Model

DEC launches Giant Mini PDP-11/45

DEC launches PDP-11/03

Decsystem 10 introduced

First Network Email sent by Ray Tomlinson

IBM's Thomas J Watson retires

Intel Introduces the World's First EPROM

Intel Launches the First Microprocessor - The 4004

Nixdorf merge with AEG-Telefunken

Olivetti launches P602 "minicomputer"

£1.3m RAF order for Cossor Terminals

370/125 and OCR reader from IBM

ARPA Network - UK gets link to major US network

ASC developed by Texas Instruments

Atanasoff Official "Inventor" of Computer

Atari Introduces Pong

Burroughs Launch L8000 Range of Computers

Burroughs launches L7000 range on UK market

C programming language developed

Clive Sinclair introduces the first pocket calculator

Development of standard OS to be halted

First e-mail program developed

First Infra-red Data Link transmission in the UK

Flat screen terminal introduced by Burroughs

Foundation of Cray Research Inc by Seymour Cray

Fujitsu and Hitachi in joint deal

GE Time Sharing Service

Hewlett-Packard introduces the HP-35

Honeywell's 700 range comes to the UK

IBM's DOS/VS

NCR 399

Problems with IBM 370/155 and 370/165

Sigma 6

SITA Network

Space Craft Pioneer 10 & 11 use Custom CPU in TTL

Terminal range boosted by Burroughs TC 3500

The Future of ICL as a British-controlled going concern

The Intel 8008 was introduced

The Magnavox Odyssey, the first video game console, is released

UK launch for Burroughs L8000 range

Worlds first IBM 370/135 installed in Britain

Integrated Photomatrix (Noble) demonstrates for 64 by 64 MOS active pixel array

8" floppy & first "Hard Drive introduced by IBM

Bob Metcalfe invents Ethernet

Britain exports more computing equipment than it imports

Gary Kildall writes CP/M

IBM 370/145 product range released

IBM in Nigeria

IMSAI is founded. In 1973

The Micral was the earliest commercial, non-kit personal computer

Xerox Alto personal computer was developed at Xerox PARC

Fairchild Semiconductor releases the first large image forming CCD chip: 100 rows and 100 columns of pixels.

GA LSI 12/16 and LSI16

introduction of Intel 8080 2MHz microprocessor

MITS completes the first prototype Altair 8800 microcomputer

NCR 250-6000

Philips P852M

The Z-80, 8 bit processor is designed by Zilog Corp

Xerox Palo Alto Research Center designed the Alto

Bill Gates and Paul Allen sign a licensing agreement with MITS

CP/M operating system finished

Cray 1A announced

First meeting of the Homebrew Club

Microsoft Founded

MITS Altair launched on the cover of Popular Electronics magazine

Bryce Bayer of Kodak develops the Bayer filter mosaic pattern for CCD color image sensors.

Apple 1 Released

Burroughs introduce the large B7700 series

Dec System 20 introduced

Intel introduce SBC-80/10 "computer on a card"

Last slide rule manufactured today

Seymour Cray demonstrates CRAY-1 - The first vector-processor supercomputer

Steve Wozniak, Steve Jobs and Ronald Wayne Found Apple Computer Inc.

The 5 1/4" flexible disk drive was introduced

Steadicam becomes available.

Commodore International shows its Commodore PET 2001

Radio Shack announces TRS-80 computer

Science of Cambridge Ltd Formed

The Apple II launched

The MK14 was introduced by Science of Cambridge

The RCA CDP1802 microprocessor was used in the Galileo spacecraft

Acorn Computers Ltd formed in Cambridge, UK

Texas Instruments introduced Speak & Spell

VisiCalc Spreadsheet is born

"VisiCalc" introduced

Acorn System 1 Launched

Apple II+ Launched

Microsoft moves from Albuquerque, New Mexico to Bellevue, Washington

Acorn Atom Launched

Apple Computer’s Initial Share Offering

Microsoft Signs Contract with IBM to Create Operating System

Sinclair ZX80 Launched

The Apple III was announced

Acorn BBC Micro Launched

HP-41 calculator Used In Space Shuttle

IBM announced that it was launching a personal computer using an Intel 8088

IBM introduces personal computer with Microsoft's 16-bit operating system, MS-DOS 1.0

Introduction of Osborne portable computer in a suitcase

Microsoft incorporates

Sinclair ZX81 Computer Launched

Space Shuttle uses Intel 8086 and RCA 1802

The first ‘portable’ computer is launched

VIC-20 Released in Europe & US

Commodore 64 Released

Dragon 32 Released

Introduction of Cray X-MP supercomputer

Introduction of Intel 80286 at 6 MHz, with 134,000 transistors

Sinclair launches the ZX Spectrum computer

Sinclair ZX Spectrum Launched

Apple Lisa Launched

Introduction of spreadsheet program 1-2-3 by Lotus,

Microsoft Introduced 2-button Mouse

Microsoft Introduces Windows

The famicom is released in Japan

Apple launches Macintosh 128K

Creation of Dell Computer Corporation by Michael Dell

First ARM Processors Powered Up

IBM and Compaq introduce the IDE interface

IBM’s new 3480 cartridge tape system introduced

Introduction of IBM PC/AT based on Intel 80286

Macintosh 512K Launched

Novelist William Gibson coins the term cyberspace

Commodore 128 Released

Cray X-MP Supercomputer Begins Operation

First Commodore Amiga Released

Introduction of Intel 386

Microsoft Windows Launched

Olivetti buy 49% of Acorn Computers

Steve Jobs founds NeXT Computers Inc.

Acorn BBC Master Compact Launched

Acorn BBC Master Launched

Apple Macintosh Plus launched

First PC virus is released with "Brain"

Microsoft moves to corporate campus in Redmond, Washington

Microsoft stock goes public

Nintendo NES released

Kodak scientists invent the world's first megapixel sensor.

Commodore release the Amiga 500 and the Amiga 2000

Macintosh II released

Windows 2 was launched

IBM announces 3 millionth PS/2 personal computer

RISC OS is released

The first worm experience appears

The NeXT (68030 CPU) computer is introduced after two years of research

Unisys takes over Convergent Technologies

Apple introduces the Macintosh SE/30

Apple Macintosh Portable Released

ICL introduces DRS model 40 and 45

Tim Berners-Lee toyed with the idea of web pages and hyperlinks

Commodore releases the Amiga 3000

Hubble Space Telescope uses 386 processor

Introduction of IBM RS/6000

Microsoft launches Windows 3.0

Apple releases the PowerBook 100

First E-mail From Space Is Sent from a Mac Portable

Linus Torvalds from Finland releases Linux version 0.02

Silicon & Synapse founded

Sun Microsystems Starts Java Technology

Commodore releases the the Amiga 500+

Internet freed from Government control

Microsoft Releases Windows 3.1

Photo CD created by Kodak.

Apple Newton Message Pad announced

Commodore released the CD32 model

Compaq Introduces Presario

Foundation of Nvidia

IBM Announces a loss of $4.97m for 1992

Intel Ships "Pentium" Chip"

Introduction of Apple Newton PDA

The Jet Propulsion Laboratory begins work on image-capturing devices using CMOS or active pixel sensors.

Netscape Communications Corporation is founded

Silicon & Synapse changes its name to Blizzard Entertainment

Yahoo founded January 1994

Nikon introduces the first optical-stabilized lens.

Microsoft launches Windows 95

Nvidia's NV1 launched

"Kodak DC40 and the Apple QuickTake 100 become the first digital cameras marketed for consumers."

Apple Computer buys NeXT

eBay is founded by Jeff Skoll and Pierre Omidyar

Eastman Kodak, FujiFilm, AgfaPhoto, and Konica introduce the Advanced Photo System (APS).

IBM's Deep Blue Beats Gary Kasparov at Chess

IBM announces RS/6000 SP Deep Blue

zon.com, an online bookseller, goes public

first known publicly shared picture via a cell phone, by Philippe Kahn.

Apple Release the iMac

Foundation of Google by Larry Page and Sergey Brin

Introduction of Apple iMac

Microsoft launches Windows 98

Napster the first file sharing program introduced

Nvidia releases GeForce 256

The Millennium bug is taken seriously

Intel ES7000 server from Unisys introduced

Microsoft launches Windows 2000

J-SH04 introduced by J-Phone, the first commercially available mobile phone with a camera that can take and share still pictures.[13]

Apple Launches a New Music Device - The iPod

Microsoft Releases Windows XP

Microsoft and partners launch Tablet PC

Microsoft launches Windows Server 2003

Firefox 1.0 Introduced

First Ubuntu Linux operating system Released

Microsoft returns $75 billion to shareholders

Google now indexes over 8 billion pages

AgfaPhoto files for bankruptcy. The production of Agfa brand consumer films ends.

Microsoft announces Bill Gates transition

Dalsa produces a 111 megapixel CCD sensor, the highest resolution at that time.

iPhone introduced

Microsoft launches Windows Vista and Office 2007

Android operating system released

The HD player war comes to an end

Virus Found On Computer In Space Station

Polaroid announces it is discontinuing the production of all instant film products, citing the rise of digital imaging technology.

FujiFilm launches world's first digital 3D camera with 3D printing capabilities.

Kodak announces the discontinuance of Kodachrome film.

Apple iPad Launched in the UK

Apple Surpasses Microsoft as Most Valuable Technology Company

First Tweet sent to Twitter on VIC-20

Steve Jobs retires as CEO of Apple

Steve Jobs, co-founder of Apple, dies age 56

Lytro releases the first pocket-sized consumer light-field camera, capable of refocusing images after being taken.

Google Brain watches Youtube, recognises cats.

Wii U released

Wikipedia and others Go Dark in protest anti-piracy law

Edward Snowden Leaks Top Secret Documents

PlayStation 4 released

Suicide of Aaron Swartz

Xbox One released

Amazon buys Twitch for £585m

Android watches go up for preorder

Bill Gates returns to Microsoft as Technology Adviser

Bletchley park officially opens to the public

Facebook buys Oculus

Facebook buys WhatsApp

Nvidia at GPU Technology Conference

The Queen opens a new 'Information Age' Gallery at the Science Museum

Apple posts biggest quarterly profit in history

Apple reveals Apple Watch

Microsoft reveals HoloLens headset

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