This compact cylindrical handheld calculating machine has black metal sides and a plastic top and operating handle. Eight slots along the side of the cylinder hold levers that are pulled down to set ...

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 ...

Discover how William Seward Burroughs' invention of the adding machine in the 1880s streamlined bookkeeping for businesses ...

Christie's suspended its sale of the first calculating machine after an export ban kept it from leaving France, according to the South China Morning Post. One of only nine surviving examples of a ...

THE rapid development of large-scale, high-speed calculating machines which has taken place in the United States in recent years is still not fully appreciated in Great Britain. These machines, in one ...