TIM Calculating Machine
date: label: date made
content: ca 1910
name: label: maker
content: Ludwig Spitz & Co.
notes: label: Description
content: This incomplete stepped drum, manually operated, non-printing calculating machine has an iron base painted black. The rest of the case is missing. The eight data entry levers are linked to both number dials and brass stepped drums. The number dials record digits entered. Levers in front of the dials zero the entry. An addition & multiplication / subtraction & division lever is on the left, and the operating crank on the right has broken off. There is a cloth and plastic cover for the machine.
label: Description
content: A mark on the right side, under where the carriage would be, reads: 02274. A mark on the left side, under the carriage space, reads: 1446. A mark on the bottom of the machine reads: 1607. A number painted on the bottom of the machine is 27-71. This is a typical catalog number of the Museums of the Peaceful Arts in New York.
label: Description
content: A TIM carriage with Museums of the Peaceful Arts number 27-91 may well have come with this machine and has been placed with it. The carriage has a nine-digit revolution register and a sixteen-digit result register. The number on the carriage at the right front edge is 03282.
label: Description
content: The object is from the collection of L. Leland Locke.
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. 191–194,
label: Description
content: J. H. McCarthy, <I>The American Digest of Business Machines</I>, Chicago: American Exchange Service, 1924, pp. 84–85.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Berlin, Berlin
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Calculating Machines
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of L. Leland Locke
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.317390
label: catalog number
content: 317390
label: accession number
content: 230394
label: maker number
content: 02271
objectType: label: Object Name
content: calculating machine
physicalDescription: label: Physical Description
content: iron (overall material)
label: Physical Description
content: steel (overall material)
label: Physical Description
content: brass (overall material)
label: Physical Description
content: rubber (overall material)
label: Measurements
content: overall: 16.8 cm x 40 cm x 15 cm; 6 5/8 in x 15 3/4 in x 5 29/32 in