Foreign Patents of James Powers

Foreign Patents of James Powers

Description
American inventor James Powers received these six foreign patents between 1906 and 1921.
Location
Currently not on view
date made
1906-1921
patantee
Powers, James
Physical Description
paper (overall material)
Measurements
overall: 1.2 cm x 24 cm x 35 cm; 15/32 in x 9 7/16 in x 13 25/32 in
ID Number
1991.3180.06
nonaccession number
1991.3180
catalog number
1991.3180.06
Credit Line
Gift of Thor Dockweiler
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Tabulating Equipment
Data Source
National Museum of American History

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