patent model, paper stock grinding machine
date: label: patent date
content: 1878-07-20, 1878-07-20
label: patent date
content: 1875-07-20
name: label: patentee
content: Burghartt, John M.
label: inventor
content: Burghartt, John M.
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Massachusetts, Great Barrington
setName: label: See more items in
content: Work and Industry: Agriculture
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: AG.165706
label: catalog number
content: 165706
label: accession number
content: 89797
label: patent number
content: 165,706
objectType: label: Object Name
content: patent model, paper stock grinding machine