Object Details
- distributor
- Harrison Home Products Corporation
- Addiator G.m.b.H.
- Description
- This metal notched band adder has a metal stylus. The front of the instrument is painted green, the back, black. One can enter numbers up to six digits long. The clearing bar is at the top. The case is clear plastic. For instructions, see 1988.0807.07.
- The firm of Carl Keubler produced adders under the name Addiator in Berlin (later West Berlin) from 1920 until the 1980s. This is one of three versions of the Addiator in the Smithsonian collections. It was given to the Museum by the machinist and museum specialist George A. Norton, Jr. Norton used the device to do routine addition, subtraction, and multiplication until he acquired an electronic calculator.
- Reference: Martin Reese, Historische Buerowelt, 43 (September 1995).
- Location
- Currently not on view
- Credit Line
- Gift of George A. Norton, Jr.
- ca 1955
- ID Number
- 1988.0807.04
- accession number
- 1988.0807
- catalog number
- 1988.0807.04
- Object Name
- adder
- Physical Description
- metal (overall material)
- plastic (overall material)
- Measurements
- overall: .6 cm x 5.5 cm x 17 cm; 1/4 in x 2 5/32 in x 6 11/16 in
- place made
- Germany: Berlin, Berlin
- place distributed
- United States: New Jersey, Harrison
- See more items in
- Medicine and Science: Mathematics
- Adder
- Science & Mathematics
- National Museum of American History
- Subject
- Mathematics
- Record ID
- nmah_690270
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-13ba-704b-e053-15f76fa0b4fa
