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Patent model for weighing scale

Patent model for weighing scale

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Description (Brief)
This patent model demonstrates an invention for a balancing ball on a weighing scale; the invention was granted patent number 534839.
Location
Currently not on view
Object Name
patent model
Object Type
Patent Model
date made
ca 1870
ca 1895
patent date
1895-02-26
maker
Heyer, Charles A.
Physical Description
metal (overall material)
Measurements
overall: 3.8 cm x 32.4 cm x 4.2 cm; 1 1/2 in x 12 3/4 in x 1 5/8 in
ID Number
1997.0198.19
catalog number
1997.0198.19
accession number
1997.0198
See more items in
Work and Industry: Graphic Arts
Industry & Manufacturing
Work
Communications
Patent Models
Patent Models, Graphic Arts
Data Source
National Museum of American History
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