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