April 24, 2024
Kesling KES-ADD Precision Pocket Adder in Box complete Hart
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Pocket Adder In Original boxDATA SOURCE National Museum of American History This white plastic stylus-operated non-printing adding machine has four adjacent wheels for entering numbers. It adds and subtracts. The machine comes with a white plastic with stylus original box and a leaflet of instructions. It is marked on the back: KESLING POCKET ADDER (/) ST. LOUIS, MO. (/) PAT. NO. 2,450,668 (/) PAT. PENDING (/) MADE IN U.S.A. It is marked on the front: KES-ADD. Distributed by Hart Vance Company, St. Louis, Missouri. Reference: Elmer G. Kesling, “Calculator,” U.S. Patent 2,450,668, March 11, 1952.Original Box with instructions. Nice collectable adding machine dates back to early 1950's. Add Subtract Multiples Dividesnote box corners not torn includes instruction leaflet
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