Burroughs

Hand Operated Adding-Subtracting Machine

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Burroughs Hand Operated Adding-Subtracting Machine

Burroughs Hand Operated Adding-Subtracting Machine

Burroughs Hand Operated Adding-Subtracting Machine
William Seward Burroughs (1857-1898) was a successful American inventor and businessman who patented the first commercially successful adding machine. Burroughs' machines incorporated a full keyboard and, for the first time, a printing device to record numbers and totals.