In the early 20th century, William A. Morschhauser of New York City became the exclusive American distributor of the Millionaire calculating machine. He placed machines at several United States ...
This lever-set ,manually operated non-printing calculating machine has a brass mechanism and a metal case with lid. The lid and the flat plates that cover the mechanism are painted black. The carriage ...
来自MSN

Anton Braun

The German mechanic, constructor, and optician Anton (Antonius) Braun (see the biography of Anton Braun) (1686-1728) from Möhringen (Baden-Württemberg, Germany), was appointed in 1724 as a mechanician ...
National 3000 automatic bookkeeping calculating machine no 101364 42-BT, by National Cash Register Company Limited, England, 1935-1945. This machine was formerly the property of Dr. L J Comrie FRS.
The sale of an ancient arithmetic machine known as the 'Pascaline' has been suspended after a French administrative court blocked its export. Leading auction house Christie's decided to call off its ...
Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. In 1642, French mathematician Blaise Pascal invented a calculating machine that could add and ...