Smallwood Calculator
date: label: date made
content: 1926
notes: label: Description
content: This small stylus-operated non-printing adding machine has seven brass wheels and a steel frame painted black. Seven windows above the wheels reveal the result. The back is covered with green felt. The machine is marked on the front: -THE- (/) SMALLWOOD (/) CALCULATOR (/) OAKLAND (/) CAL. The front of the case is marked: -THE- (/) SMALLWOOD CALCULATOR (/) OAKLAND, CALIFORNIA (/) Patented Feb. 23rd 1926. The machine fits in a wooden stand, which also has a slot for the stylus. The stand has four rubber feet. The entire instrument fits in a black cardboard cover. The stylus is silver-colored metal, with a blue plastic end piece.
label: Description
content: Compare to The Calculator (1986.0542.01).
label: Description
content: Reference:
label: Description
content: Russell W. Hook, “Adding Machine,” U.S. Patent 1,574,249, February 23, 1926.
label: Location
content: Currently not on view
place: label: place made
content: United States: California, Oakland
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 Naomi Piekarski
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.336184
label: accession number
content: 1977.0688
label: catalog number
content: 336184
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: cardboard (overall material)
label: Physical Description
content: steel (overall material)
label: Physical Description
content: brass (overal material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: felt (overall material)
label: Measurements
content: overall: 7 cm x 33.4 cm x 9.4 cm; 2 3/4 in x 13 5/32 in x 3 11/16 in