Burroughs Calculator
Object Details
- date made
- 1924
- maker
- Burroughs Adding Machine Company
- Description
- This full-keyboard key-driven non-printing adding machine has nine columns of keys with nine keys in each column. Complementary digits are indicated on the keys. Keys for odd digits are concave, and those for even digits are flat. The machine has a metal case painted black, with the keyboard painted green. Ten windows at the front of the machine show wheels giving the result. Three decimal markers that slide above these. The zeroing lever is on the right side. There also is a key on the upper left.
- A mark on the front reads: Burroughs Calculator. One on the back reads: Burroughs (/) THIS MACHINE PROTECTED BY U.S. AND FOREIGN PATENTS. A metal tag on the bottom reads: 5-898901. This is a Burroughs Class 5.
- Compare 1990.0316.04.
- This object was lent to the Smithsonian Institution in 1924 as an example of a current product of Burroughs Adding Machine Company. More recently Unisys Corporation transformed that loan into a gift.
- Location
- Currently not on view
- place made
- United States: Michigan, Detroit
- Subject
- Mathematics
- See more items in
- Medicine and Science: Mathematics
- Adding Machines
- Science & Mathematics
- Credit Line
- Gift of Unisys Corporation
- Data Source
- National Museum of American History
- ID Number
- MA.308344
- maker number
- 5-898901
- catalog number
- 308344
- accession number
- 2011.0264
- Object Name
- adding machine
- Other Terms
- adding machine; Full-Keyboard, Non-Listing, Manual
- Physical Description
- metal (overall material)
- plastic (overall material)
- rubber (overall material)
- wood (overall material)
- Measurements
- overall: 15.3 cm x 27 cm x 30.5 cm; 6 1/32 in x 10 5/8 in x 12 in
- Record ID
- nmah_690197
Adding machine, Burroughs Calculator. MA*308344.