patent model, drive chain
date: label: patent date
content: 1877-03-06
name: label: inventor
content: Ewart, William D.
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: Illinois, Chicago
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.188114
label: catalog number
content: 188114
label: patent number
content: 188,114
label: patent number
content: 188.114
objectType: label: Object Name
content: patent model, chain, drive
label: Object Name
content: patent model, drive chain
physicalDescription: label: Measurements
content: overall: 4 3/4 in x 3 15/16 in x 5 in; 12.065 cm x 10.00125 cm x 12.7 cm