Star Adding Machine
date: label: date made
content: 1925
name: label: maker
content: Todd Protectograph Company
notes: label: Description
content: This small lever-set non-printing manually operated adding machine has a dark green metal case. Thelid opens to reveal 9 curved levers which are moved forward to set a number. Large digits beside the levers are for addition, small ones for subtraction. The nine red plastic keys across the top of the machine are for use in subtraction. A metal handle can be used to carry the machine when the lid is closed. A key locks the lid.
label: Description
content: The machine is marked on the front: STAR ADDING MACHINE (/) MANUFACTURED BY (/) TODD PROTECTOGRAPH CO. (/) ROCHESTER, N.Y., U.S.A. (/) PATENTED NOV. 22 1921. OTHER PATENTS PENDING It has serial number on the bottom: 23341.
label: Description
content: Compare to MA.323595.
label: Description
content: According to <I>Typewriter Topics</I>, the lid was added to the Star in 1924. It served both to keep out dust and to allow the machine to be locked. That year, the device sold for $44. In April 1926, it was redesigned and put on the market as the Todd Visible.
label: Description
content: References:
label: Description
content: E. Martin, <I>The Calculating Machines (Die Rechenmaschinen)</I>, trans. P. A. Kidwell and M. R. Williams, Cambridge: MIT Press, 1992, pp. 326-328.
label: Description
content: <I>Typewriter Topics</I>, vol. 58, October (?), 1924, p. 77.
label: Description
content: <I>Business Machines and Equipment Digest</I>, 1928, sec. 3-1A, p. 4.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Rochester
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 Mr. Dale C. Price
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.326517
label: accession number
content: 260030
label: maker number
content: 23341
label: catalog number
content: 326517
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: rubber (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 14.6 cm x 16.8 cm x 16.2 cm; 5 3/4 in x 6 5/8 in x 6 3/8 in