Burroughs Calculator

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
Object Name
adding machine
date made
1924
maker
Burroughs Adding Machine Company
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
place made
United States: Michigan, Detroit
ID Number
MA*308344
maker number
5-898901
catalog number
308344
accession number
2011.0264
subject
Mathematics
Science & Mathematics
Adding Machines
See more items in
Medicine and Science: Mathematics
Adding Machines
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of Unisys Corporation

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