Addometer
date: label: date made
content: ca 1950
name: label: maker
content: Reliable Typewriter & Adding Machine Corporation
notes: label: Description
content: This eight-wheeled stylus-operated adding machine has metal wheels and frame. The wheels each have ten holes around the edge. The two rightmost are white, the next three are red, and the next three are white. All the wheels are labeled around the outside with digits for use in subtraction and around the inside with digits for use in addition. A steel stylus and a clearing bar fit into the right side. The top edge of the instrument has an 11-inch scale of equal parts, divided to sixteenths of an inch. The machine was made by the Reliable Typewriter & Adding Machine Company of Chicago, Illinois.
label: Description
content: The instrument was purchased by Smithsonian curator Audrey B. Davis from Greybird Enterprises in Taneytown, Md., in 1990 for $45.00.
label: Description
content: For a related accession, see 2010.0214. For another Addometer, see 1996.0220.01
label: Description
content: References:
label: Description
content: <I>Typewriter Topics</I>, vol. 66, August, 1927, pp. 36-37 (announced as coming in September - $10.00).
label: Description
content: <I>Typewriter Topics</I>, vol. 72, June, 1929, p. 29 (cost $15.00).
label: Description
content: <I>Office Appliances</I>, vol. 87, January, 1948, p. 138, 182 (price $12.95).
label: Description
content: <I>Office Appliances</I>, vol. 98, Oct., 1953, p. 233 (price $14.95). Accession file.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
topic: label: Subject
content: Business
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 Miles Davis
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2010.0215.01
label: catalog number
content: 2010.0215.01
label: accession number
content: 2010.0215
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 1.9 cm x 29.5 cm x 6.1 cm; 3/4 in x 11 5/8 in x 2 3/8 in