Burroughs Model 9 Adding Machine
date: label: date made
content: 1912
name: label: maker
content: Burroughs Adding Machine Company
notes: label: Description
content: This full-keyboard manually operated printing adding machine has a metal frame painted black, a metal mechanism and handle, a green felt keyboard, and a glass front. There are six columns of number keys, with nine keys in each column. Some plastic key covers are missing. There are non-add, subtotal, and total keys. The sum appears on number wheels visible through the glass front of the machine and prints on a 2-1/2 inch paper tape at the back which is not visible. The machine is marked on the front: BURROUGHS (/) DETROIT, MICHIGAN. It is also marked there: No.6-157907.
label: Description
content: Alfred Harrell, the donor of the machine, was a Smithsonian photographer.
label: Location
content: Currently not on view
place: label: place made
content: United States: Michigan, Detroit
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Adding Machines
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Al Harrell
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1981.0368.01
label: accession number
content: 1981.0368
label: catalog number
content: 1981.0368.01
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 31.5 cm x 23.5 cm x 39 cm; 12 13/32 in x 9 1/4 in x 15 11/32 in