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Used in businesses and bookkeeping, the adding machine was a device used for calculations. "One of the first successful adding and listing machines (courtesy of the Burroughs Adding Machine Company)." -Hill, 1921

Adding Machine

Used in businesses and bookkeeping, the adding machine was a device used for calculations. "One of the…

"There's an end to my troubles," said William Seward Burroughs as he threw into the street the first fifty adding machines he had made. He wished nothing to remain to remind him of this early failure." -Hill, 1921

Inventor: Burroughs

"There's an end to my troubles," said William Seward Burroughs as he threw into the street the first…

"The Boyer Machine Shop, St. Louis, where one of the first successful adding and listing machines was born." -Hill, 1921

Boyer Machine Shop

"The Boyer Machine Shop, St. Louis, where one of the first successful adding and listing machines was…