There he saw a calculating machine for the first time. In a report on the fair, Barnard wrote: To most persons the process of calculation involves a species of mental labor which is painful and ...

The first calculating machines multiplied by repeated addition. To multiple by tens, hundreds, or larger units, one shifted the carriage. From the 1870s, a few inventors proposed machines that could ...

Large scale calculating machines may make it feasible for the government to set production goals for major industries, Frederick V. Waugh of President Truman's Council of Economic Advisers told a ...

Many attempts have been made to devise a simple and cheap calculating machine. For the most part these attempts have been confined, in the cheaper class of machines, to performing only the one ...

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 decision to use electronics for our calculating machines has long been decided. However, that doesn’t mean that mechanical engineers didn’t put up a valiant, if ultimately futile ...

Over 600 physicists, mathematicians, economists, engineers, and industrialists from all parts of the country and abroad attended the four-day Symposium on Large-Scale Digital Calculating Machines ...

Long before the hand-held calculators, there was the millionaire calculator machine—a large, clunky, and expensive mechanical machine that performed direct multiplications with only a single turn of a ...