Patent Order Punch Card with Synchronous Motor Patent Papers
name: label: maker
content: IBM
notes: label: Description
content: This orange punch card, used by the U.S. Patent Office, is attached to a copy of the patent papers the card describes. The card has 53 columns versus the standard IBM 80-column punch card. It is marked PO-33, PATENT ORDER (Letter Unit) on the left edge, and IBM D7 7517 on the bottom edge.
label: Description
content: The following information is punched and printed on the card: the patent number (1913948), customer number (11530), month (01), day (29), and serv. code (6M).
label: Description
content: The patent papers requested (5 pages) were for patent number 1,913,948 filed on May 2, 1932 by David Perlman for a Synchronous Motor. His patent was for improvements in electrically operated time-pieces.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Computers
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content: Computers & Business Machines
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content: Science & Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2017.3122.03
label: nonaccession number
content: 2017.3122
label: catalog number
content: 2017.3122.03
label: patent number
content: 1,913,948
objectType: label: Object Name
content: punch card
label: Object Name
content: document, patent, copy
physicalDescription: label: Physical Description
content: orange (punch card color)
label: Physical Description
content: paper (overall material)
label: Measurements
content: punch card: 8.2 cm x 12.2 m; 3 7/32 in x 40 1/32 ft
label: Measurements
content: overall: 27.85 cm x 21.6 cm; 10 31/32 in x 8 1/2 in