mechanical interlocking machine
setName: label: See more items in
content: Work and Industry: Transportation, Railroad
creditLine: label: Credit Line
content: Gift of Burlington Northern Railway
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: TR.330498
label: catalog number
content: 330498
label: accession number
content: 293359
objectType: label: Object Name
content: mechanical interlocking machine