Who invented the first mechanical adding machine?

Answer The earliest mechanical adding machine was invented by Dorr Eugene Felt in 1885, according to The Chicago man used a wooden macaroni box, staples, meat skewers, rubber bands, wire and ... Read More »

Top Q&A For: Who invented the first mechanical adding machine

Who invented the first workable adding machine in the 1800's?

According to the Early Office Museum, Charles Xavier Thomas de Colmar introduced the arithmometer, the first workable adding machine, in 1820 in France. The machine did not reach the United States ... Read More »

Who invented the first workable adding machine in the 1800s?

William S. Burroughs invented the adding machine in the 1800s. He submitted an application for patent in 1885, and co-founded the American Arithmometer Company a year later. He received approval fo... Read More »

Who created the first digital adding machine?

According to the School of Mathematics and Sciences at the University of St. Andrews in Scotland, the digital calculator was invented by French mathematician Blaise Pascal in 1642. The device, call... Read More »

Who First Invented Mechanical Pencils?

According to, the first mechanical pencil, known as the "Ever-Ready Sharp Pencil," was invented in 1915 by Tokuji Hayakawa. By 1970, Hayakawa's company, which manufactured the... Read More »