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IBM SPEAKERS BUREAU SLIDE SHOW

Slide 98
Lightning calculator

Courtesy: IBM Corporation

Under the pressure of business growth, some companies had been hiring men trained as rapid mental calculators. These men set the performance standards for early adding machines to surpass.

After masses of government census data had been quickly and automatically processed by the Hollerith machines, large industries now began applying the machines to their own data-handling problems.

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2006 San Diego Computer Museum
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