U.S. Patents of James Powers
date: label: date made
content: 1912-1930
name: label: patentee
content: Powers, James
notes: label: Description
content: These paper documents with metal binding rings and ribbons are seven U.S. patents granted to American tabulating machine inventor James Powers in the years 1912-1930.
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: 1991.3180.05
label: nonaccession number
content: 1991.3180
label: catalog number
content: 1991.3180.05
objectType: label: Object Name
content: Patents, Group Of
physicalDescription: label: Physical Description
content: paper (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: ribbon (overall material)
label: Measurements
content: overall: 1.7 cm x 22 cm x 32 cm; 21/32 in x 8 21/32 in x 12 19/32 in