Comptometer

Comptometer Explained – Everything You Need To Know

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Four Facts About Comptometer The Comptometer is known to be the first key-driven adding and calculating machine. Comptometers were in use until the 1990s when developments in computer technology rendered them obsolete. In 1889, the Comptometer’s inventor added a printing mechanism and received a patent for the Comptograph, a prototype for modern-day adding machines. Margarete […]

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The Complete History of The Burroughs Adding Machine

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3 Facts About The Burroughs Adding Machine The Burroughs Adding Machine can still be purchased today from sites like Ebay, usually for between $70 and $300, or more depending on the condition of the machine. At one point the Burroughs Adding Machine Company had around ninety percent of the calculator market. The company made a […]

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machine of Hillerin

The Machine of Hillerin Explained – Everything You Need To Know

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Way back in 1730, the French Academy of Sciences — one of the leading authorities on scientific and mathematical inventions, theories, and the like — granted certification to a trio of machines designed by a man named Hillerin de Boistissandeau. The first was a single-tooth carry mechanism incapable of working properly if a carry needed […]

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Caze

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History of Computers and Computing, Mechanical calculators, 18th century, Caze The New Arithmetical Machine of Caze The adding device of Caze, created sometime around 1696, could be considered as one of the most simple calculating devices, which can be invented, something like a version of the abacus or a simplified version of the Abaque Rhabdologique […]

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First chat program of Murray Turoff

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History of Computers and Computing, Internet, Birth, First chat program of Murray Turoff First chat program of Murray Turoff In 1971 the Ph.D. in Physics Murray Turoff (born in San Francisco, February 13, 1936), while working in the U.S. Office of Emergency Preparedness (a federally coordinated system that augments the Nation’s medical response capability), designed […]

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The First Computer Virus of Bob Thomas Explained: Everything You Need to Know

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4 Facts about the First Computer Virus of Bob Thomas The First Computer Virus was written in-house. It wasn’t deployed with any malicious intent. It’s more of a security test than a virus. Its original name is Creeper. First Computer Virus History The First Computer Virus, Creeper, was named after a Scooby-Doo cartoon show character. Creeper […]

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Douglas Engelbart’s NLS

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History of Computers and Computing, Internet, Birth, Douglas Engelbart’s NLS The NLS system of Douglas Engelbart The name of the prominent American inventor and computer pioneer Douglas Carl Engelbart (biography of Douglas Engelbart) has already been mentioned several times in this site (see the first computer mouse). Here we will mention only his system NLS […]

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Chess machine demonstration

The Complete History of Leonardo Torres’s Chess Machine — Everything You Need To Know

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3 Facts about Leonardo Torres’s Chess Machine The machine could, in a totally unassisted and automated fashion, deliver mate with King and Rook against King. Although referred to as a chess player, Leonardo’s El Ajedrecista was not designed to play the whole chess game. Instead, the automaton was made to play a part of the […]

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Shakey the Robot Explained: Everything You Need to Know

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Artificial Intelligence has come a long way and achieved significant milestones over the years. The history of AI and machine learning cannot be discussed without mentioning Shakey the robot. Created in the late 1960s, Shakey was the first mobile robot with the ability to perceive and reason about its surroundings. Its developers were a group […]

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Steam Man

Steam Man of Zadoc Dederick Explained — Everything You Need To Know

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6 Facts about the Steam Man The Steam Man of Zadoc Dederick is considered the first American robot. The machine was so inspirational it generated many more walking machines, steam or otherwise, and also fictional stories, like the famous dime novel The Steam Man of the Prairies by Edward S. Ellis. Zadoc Dederick and Isaac […]

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A digital reconstruction of the self-propelled cart of Leonardo.

The History of Leonardo da Vinci’s Automata

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Four Facts About Leonardo da Vinci’s Automata Leonardo da Vinci’s self-propelled cart is considered the world’s first robotic vehicle. While many of his designs were revolutionary, it’s unclear if any of them were actually created. Leonardo da Vinci’s robotic knight was designed to stand, sit, cross its arms, turn its head, and lift its visor. […]

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The Electric Dog demonstration

The Electric Dog of Hammond and Miessner Explained – Everything You Need To Know

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3 Facts About the Electric Dog of Hammond and Miessner  Seleno, the Electric Dog, is considered the ancestor of self-directing robots. The Electric Dog had the ability to “follow” its master around a room. The Electric Dog demonstrated what selenium was, how it worked, and how light affected its properties. Electric Dog of Hammond and […]

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The History of Elektro of Westinghouse

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8 Facts about Elektro of Westinghouse The Elektro was constructed from aluminum on a steel frame. It was 210 cm tall, weighing 120 kg. It was capable of performing 26 routines (movements), and a vocabulary of 700 words.Sentences were formulated by a series of 78 RPM record players connected to relay switches. Elektro had no […]

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The History of The Arabic Automata

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The Arabic Automata After the fall of the Western Roman Empire in the end of 5th century, the western and central part of Europe was swept down by many barbarian tribes and fall into so called Dark Ages for some five centuries. During this time, the centers of world’s art and science moved to the […]

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Suanpan abacus

Abacus Explained — Everything You Need To Know

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5 Facts About the Abacus The origin of the abacus is still debated. Similar counting frame objects are believed to have been used in ancient China and Babylon. An abacus is known as a Schoty in Russian and a Suanpan in Chinese. Modern abacuses are used to assist students with visual impairments. Using an abacus […]

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Gadgets

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In this section will be presented some simple calculating devices, which are not so clever, to be presented in other sections of the site, but still clever enough, to be interesting as principle or to had market success. During the second half of 19th and first half of 20th centuriy, a large number of relatively […]

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Calculating tools

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History of Computers and Computing, Calculating tools In this section will be examined some calculating tools, used by mankind in the past 2000 years. Of course we will start with the abacus, the most famous and of longest use calculating tool. Then will be examined two of the inventions of the Scottish nobleman John Napier—Napier’s […]

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Napier’s Bones Explained – Everything You Need To Know

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Facts about Napier’s Bones Napier’s Bones was one of several methods John Napier invented to simplify calculating large numbers. Napier’s Bones and other calculating techniques were published in 1617 in a book titled Rabdologiae, or speaking rods, shortly before Napier’s death. Napier’s Bones were in use for hundreds of years, until mechanical calculators were invented. […]

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Tachylemme of Chambon Explained – Everything You Need To Know

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3 Facts about Tachylemme of Chambon The Tachylemme was a specialized calculator, showing the daily interest on sums of money at various rates. The device was made of wood, paper, metal and glass, with measurements: 175 x 100 x 35 mm, and weighed 410 g. Tachylemme of Chambon could not do operations in huge numbers. […]

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Judah Levin's adding machine

Judah Levin Adding Machine Explained — Everything You Need To Know

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Judah Levin’s Adding Machine History Yehuda Leib Levin was born on March 26, 1863. He was the son of Nachum Pinchas and was born in Traby, Vilna Province, Russian Empire (now a small town in Belarus). Levin’s father died when he was eight years old and his uncle, rabbi Abraham Abramowitz, was an esteemed Talmud […]

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Landin's Computing Machine

Landin’s Computing Machine Explained – Everything You Need To Know

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3 Facts about Landin’s Computing Machine The Landin’s Computing Machine is a slide-chain adder with seven digital settings that you may manipulate with a pin or pencil. Landin’s Computing Machine is a well-designed and well-constructed gadget with a solid and sturdy build. It was invented in1890 by Peter J. Landin (Mar. 9, 1858–Jan. 24, 1940) […]

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Groesbeck

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Groesbeck’s Adding Machine John Groesbeck (1834-1884), was a consulting accountant, born in New York, who lived in Philadelphia and was many years (from 1858) a teacher and a principal of Crittenden’s Philadelphia Commercial College. He is also known as the author of several books, for instance The Crittenden Commercial Arithmetic and Business Manual, published for […]

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The Golden Gem Adding Machine

Golden Gem Adding Machine Explained – Everything You Need To Know

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3 Facts about Golden Gem Adding Machine Although specialized in addition, the machine can also subtract using a dedicated method. The Golden Gem Adding Machine was designed by Abraham Isaac Gancher but introduced in 1907 by the Automatic Adding Machine Co., New York. The machine was originally sold for $10 per unit. Golden Gem Adding […]

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Computometer

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History of Computers and Computing, Calculating tools, Gadgets, Computometer The Computometer of William George Cordingley The Englishman William George Cordingley, the author of several books for commerce and stock exchange from the end of 19th and beginning of 20th centuries, was a holder of 2 British patents—№GB190715435 from 24.10.1907 (see the lower patent drawing) and […]

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