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Stepped reckoner - Wikipedia

en.wikipedia.org/wiki/Stepped_reckoner

it is beneath the dignity of excellent men to waste their time in calculation when any peasant .... Wikimedia Commons has media related to Leibniz calculator.

Leibniz's Calculating Machine - Leibnitiana

www.gwleibniz.com/calculator/calculator.html

In 1671 the German mathematician-philosopher Gottfried Wilhelm von Leibniz designed a calculating machine called the Step Reckoner. (It was first built in ...

Stepped Reckoner of Gottfried Leibniz - History of Computers

history-computer.com/MechanicalCalculators/Pioneers/Lebniz.html

History of Computers and Computing, Mechanical calculators, Pioneers, Leibniz.

Leibniz Wheel - Computermuseum

www.computermuseum.li/Testpage/LeibnizWheel1671.htm

Gottfried Wilhelm Von Leibniz (1646-1716) was born in Leipzig, Germany, and traveled to Paris where he studied the mathematical works of Descartes and ...

Leibniz Invents the Stepped Drum Gear Calculator (1673 – 1710 ...

www.historyofinformation.com/expanded.php?id=453

The lower portion of the frontispiece of the journal volume also shows a a tiny model of Leibniz's calculator. Because Leibniz had only a wooden model and two ...

Leibnitz Calculator

www.thocp.net/hardware/leibnitz_calculator.htm

Jun 11, 2006 ... Description. LEIBRECH.JPG (6438 bytes). Specifications. Can multiply, devide, add and substract. Mechanical device made of copper and ...

Reinventing machines: the transmission history of the Leibniz ... - NCBI

www.ncbi.nlm.nih.gov/pubmed/25833800

Br J Hist Sci. 2015 Mar;48(1):123-46. doi: 10.1017/S0007087414000429. Reinventing machines: the transmission history of the Leibniz calculator. Morar FS(1).

Reinventing machines: the transmission history of the Leibniz ...

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Reinventing machines: the transmission history of the Leibniz calculator. Abstract . Abstract. This paper argues that we should take into account the process of ...

Picture of the Day: The Leibniz Calculator, 1727 - The Atlantic

www.theatlantic.com/technology/archive/2011/09/picture-of-the-day-the-leibniz-calculator-1727/245418/

Sep 21, 2011 ... This illustration of the inner workings of a Leibniz calculator was originally published in Theatrum arithmetico-geometricum, das ist by Jacob ...

IBM Archives: Leibniz Calculating Machine (replica)

www-03.ibm.com/ibm/history/exhibits/attic3/attic3_037.html

The Leibniz calculator incorporated a new mechanical feature, the stepped drum — a cylinder bearing nine teeth of different lengths which increase in equal ...