tunnel shield
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MC.330418
label: catalog number
content: 330418
label: accession number
content: 289340
objectType: label: Object Name
content: Tunnel Shield