DescriptionPowers Counting Sorting Machine Model "B".gif
English: Equipped with master counter and individual counter for each card box.
Sorts and counts the cards, eliminating the tabulating operation in the compilation of census, vital statistics and other data requiring only the addition of units.
Date
Source
POWERS AUTOMATIC, MECHANICAL, PUNCHING, SORTING & TABULATING MACHINES: POWERS ACCOUNTING MACHINE COMPANY, Inc. Printed by: Rodgers & Company Chicago - New York (Advertising brochure, c. 1913)
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