Ensign Electric Calculating Machine Ensign Electric Calculating Machine is a highly developed, electrically driven adding and subtracting machine, particularly suited […]
La Verne Noyes La Verne W. Noyes was born on 7 January, 1849, in Genoa, New York, in the house […]
Alonzo Johnson, a machinist from Springfield, invented two calculating devices which functioned using a carry mechanism.
: Manipolatore Aritmetico of Niccola Guinigi (Created with the expert advice of Mr. Silvio Hénin, Milan, Italy) In the […]
History of Computers and Computing, Calculating tools, Gadgets, Christian Hergenroeder : Christian Hergenroeder On October 10, 1882, a patent […]
: Athanasius Kircher The prominent German Jesuit polymath Athanasius Kircher (1602-1680) (see biography of Athanasius Kircher) was a famous […]
Pierre Jaquet-Droz was a Swiss watchmaker and mechanical genius who created self-winding watches, mechanical birds, and three androids.
: Policarpo de Balzola Early Life Policarpo de Balzola was born on 26 January, 1813, in Irún, Basque Country, […]
George Barnard Grant – Biography, History and Inventions George Barnard Grant The American George Barnard Grant was born in Farmingdale, […]
History of Computers and Computing, Mechanical calculators, 19th century, Otto Büttner Otto Büttner In 1883 Karl Otto Büttner, a mechanical […]