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IBM SPEAKERS BUREAU SLIDE SHOW

Slide 60
Baldwin Drawing II

Courtesy: IBM Corporation

With a crank of the handle, the projecting teeth gear with a cogwheel, which activates a digit wheel, and the numbers corresponding to the projecting teeth appear in the register.

Baldwin joined forces with Monroe in 1912 and formed the Monroe Calculator Company. A pioneer in electric adding machines since 1922, the firm is still in the business.

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