Object Details
- distributor
- Sunset House
- Description
- This adder has a red plastic back and a gray steel front. There are six columns for entering numbers with a stylus, and a seventh notched band to record carries to a seventh digit. A set of seven openings above the bracket-shaped columns of the adder displays the result. A zeroing bar is across the top. The plastic is shaped to hold the steel stylus.
- The object is marked: MAGIC-BRAIN [/] CALCULATOR; ADD + [/] SUBTRACT - [/] MULTIPLY X; and: JAPAN. Instructions are stored separately. Compare to 1987.0375.01.
- References: Popular Science, February, 1962, vol. 180, p. 20. This ad indicates that the Magic-Brain Calculator cost $.98 and was distributed from the Sunset Building, Beverly Hills, California.
- P. Kidwell, “Adders Made and Used in the United States,” Rittenhouse, 8, (1994): pp. 78-96.
- Location
- Currently not on view
- 1960
- ID Number
- 1993.3058.01
- nonaccession number
- 1993.3058
- catalog number
- 1993.3058.01
- Object Name
- adder
- Physical Description
- plastic (overall material)
- steel (overall material)
- Measurements
- overall: 1 cm x 7 cm x 14.4 cm; 13/32 in x 2 3/4 in x 5 21/32 in
- place made
- Japan
- place distributed
- United States: California, Beverly Hills
- See more items in
- Medicine and Science: Mathematics
- Adder
- Science & Mathematics
- National Museum of American History
- Subject
- Mathematics
- Record ID
- nmah_690276
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-032d-704b-e053-15f76fa0b4fa
