This lever-set non-printing manually operated connection pawl calculating machine has an open iron frame painted black, with steel and brass parts and paper labels. Five pins at the front of the ...

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 ...

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.

Frustrated by human error, mathematician and inventor Charles Babbage designed a machine to perform mathematical functions and automatically print the results. Library of Congress When today’s number ...

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

Christie's said Wednesday it was suspending the Paris auction of one of just a handful of examples of the world's first calculating machine, developed by French mathematician and inventor Blaise ...

(STEPHANE DE SAKUTIN/AFP/AFP) Christie's said Wednesday it was suspending the Paris auction of one of just a handful of examples of the world's first calculating machine, developed by French ...

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 ...