Photographs of Powers Card Sorting Machine
notes: label: Description
content: These five photographs, mounted on cardboard, show tabulating equipment designed by James Powers.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Tabulating Equipment
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Thor Dockweiler
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1991.3180.07
label: nonaccession number
content: 1991.3180
label: catalog number
content: 1991.3180.07
objectType: label: Object Name
content: Photographs, Group Of
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: .8 cm x 25.5 cm x 30.6 cm; 5/16 in x 10 1/32 in x 12 1/16 in