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Balance

Balance

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Description
This small wooden patent model is marked “JOHN W. HILL & O. G. H. DAVIDSON AUTOMATIC GRAIN WEIGHER.” Hill lived in Dayton, Ohio, advertised as a mechanical engineer, and assigned half of his rights to this invention to a local mechanic named Christian Herchelrode.
Ref: John W. Hill, “Improvement in Automatic Grain-Weighers,” U.S. Patent 144,541 (Nov. 11, 1873).
Location
Currently not on view
Object Name
Balance
Object Type
Patent Model
Date made
1873
patented by
Hill, John W.
Davidson, O. G. H.
maker
Davidson, O.G.H.
Hill, John W.
place made
United States: Ohio, Dayton
Measurements
overall: 7 3/4 in x 7 in x 12 in; 19.685 cm x 17.78 cm x 30.48 cm
overall: 7 1/4 in x 7 1/4 in x 12 in; 18.415 cm x 18.415 cm x 30.48 cm
ID Number
CH.251191
catalog number
251191
accession number
48865
patent number
137,921
subject
Weights & Measures
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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