Kesling Pocket Adder

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Kesling pocket adder.
Kesling pocket adder.
Kesling pocket adder.
Description:

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 stylus, a blue and clear plastic case, 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.

Date Made: 1948

Patentee: Kesling, Elmer G.

Location: Currently not on view

Place Made: United States: Missouri, St. LouisPlace Patented: United States: Missouri, Bloomfield

Subject: Mathematics

Subject:

See more items in: Medicine and Science: Mathematics, Adding Machines, Science & Mathematics

Exhibition:

Exhibition Location:

Credit Line: Gift of Robert K. Otnes

Data Source: National Museum of American History

Id Number: 1994.0240.01Accession Number: 1994.0240Catalog Number: 1994.0240.01

Object Name: adding machineOther Terms: adding machine; Stylus Operated, Non-Listing

Physical Description: plastic (overall material)Measurements: overall: .1 cm x 13.7 cm x 5 cm; 1/32 in x 5 13/32 in x 1 31/32 in

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746a5-0840-704b-e053-15f76fa0b4fa

Record Id: nmah_690298

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