IBM
SPEAKERS BUREAU SLIDE SHOW
Slide
55
Patent
in 1888
Courtesy: IBM
Corporation
He
received his first patent in 1888 and had manufactured
50 machines by the next year. They proved impossible for
anyone but Burroughs to operate. (There was one exception,
a field agent who operated his calculator so well he refused
to sell it, preferring to haul it from saloon to saloon
in a wheelbarrow betting drinks on his accuracy.)
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