30 Jan '15, 7pm

Today in Engineering History: Saloon Owner Patents Cash Register #engineering

Today in Engineering History: Saloon Owner Patents Cash Register #engineering

On this day in history, 1883, James Ritty received a U.S. patent for the first cash register. Ritty was the owner of a saloon in Dayton, Ohio, and he desired a way to stop his employees from stealing his profits. While on an Atlantic voyage in 1878, he reportedly saw a counter used to count the revolutions of the propellor of a ship, which inspired him to begin development of a machine that counted his sales. By 1879, Ritty and his brother John had invented a cash register nicknamed “Ritty’s Incorruptible Cashier” that would ring a bell after each transaction or when his staff opened the drawer. Because of the loud bell noise, the machine was referred to in advertising as the “The Bell Heard Round the World.” The machine used metal taps with denominations pressed into them to specify the sale amount. The cash register also had a total adder that summed all the cash values ...

Full article: http://www.pddnet.com/blogs/2015/01/today-engineering-his...

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