The Burroughs Adding Machine can still be purchased today from sites like eBay, usually for between $70 and $300, or more depending on the condition of the machine. At one point the Burroughs Adding ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This full-keyboard printing manual ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This full keyboard non-printing ...

An early adding machine, c. 1890, invented by William Seward Burroughs, grandfather of the beat writer. National Museum of American History Today every phone is a calculator, but in the late 1800s, ...

While working as a bank clerk, William Seward Burroughs saw a need for an improved calculator, so he invented one, and was issued four patents for the first successful “calculating machine” on August ...