(two men holding a caliper)
date: label: Date made
content: 1860s
name: label: maker
content: unknown
setName: label: See more items in
content: Work and Industry: Photographic History
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2006.0152.29
label: accession number
content: 2006.0152
label: catalog number
content: 2006.0152.29
objectType: label: Object Name
content: Photograph
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 9.7 cm x 6.3 cm; 3 13/16 in x 2 1/2 in