Burroughs Duplex Subtractor
Object Details
- Burroughs Adding Machine Company
- Description
- This black full-keyboard printing adding machine has 13 columns of black and white round plastic keys above an unpainted steel keyboard. On the right of the number keys are a variety of function keys. One column of these refers to register 1, the other to register 2. In back of the keyboard is a wide carriage, with a place for a paper tape. On the top are two sliding steel markers, one missing a piece. No cord or handle.
- A red paper tag attached to the machine reads: PATENT DEPT. (/) #176. A metal tag with the object reads: B.A.M.CO. (/) MODEL (/) NO 1020. The machine is marked on the front: Burroughs. The mark has a hook over the āgā in Burroughs. A paper sheet received with the machine reads: Do not depress Register #1 motor (/) bars while operating machine as Register (/) wheels do not shift properly and machine (/) will lock on half cycle. A metal tag attached to the object reads: DONATED TO (/) The Smithsonian Institution (/) by (/) Burroughs Corporation.
- The machine is associated with Burroughs inventor Ernst Racz. It was model #176 in the collection of the Patent Division of Burroughs Corporation.
- Location
- Currently not on view
- Credit Line
- Gift of Burroughs Corporation
- ca 1940
- ID Number
- 1982.0794.31
- catalog number
- 1982.0794.31
- accession number
- 1982.0794
- Object Name
- adding machine
- Physical Description
- plastic (overall material)
- paper (overall material)
- metal (overall material)
- Measurements
- overall: 27.6 cm x 49 cm x 38.5 cm; 10 7/8 in x 19 9/32 in x 15 5/32 in
- place made
- United States: Michigan, Detroit
- See more items in
- Medicine and Science: Mathematics
- Adding Machines
- Science & Mathematics
- National Museum of American History
- Subject
- Mathematics
- Record ID
- nmah_694112
- Metadata Usage (text)
- CC0
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-1165-704b-e053-15f76fa0b4fa
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