Patent model of excavating and tunneling machine, US Patent 17,650
date: label: date made
content: 1852
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Agriculture and Natural Resources
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: AG.325792
label: accession number
content: 089797
label: catalog number
content: 325792
label: patent number
content: 17650
objectType: label: Object Name
content: Tunnelling Machine
physicalDescription: label: Measurements
content: overall: 68 cm x 23 cm x 41 cm; 26 3/4 in x 9 1/16 in x 16 1/8 in