Object Details
- patentee
- Kesling, Elmer G.
- 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.
- Location
- Currently not on view
- Credit Line
- Gift of Robert K. Otnes
- 1948
- ID Number
- 1994.0240.01
- accession number
- 1994.0240
- catalog number
- 1994.0240.01
- Object Name
- adding machine
- Other 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
- place made
- United States: Missouri, St. Louis
- place patented
- United States: Missouri, Bloomfield
- See more items in
- Medicine and Science: Mathematics
- Adding Machines
- Science & Mathematics
- National Museum of American History
- Subject
- Mathematics
- Record ID
- nmah_690298
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-0840-704b-e053-15f76fa0b4fa
