Patent Unknown Stereoscope Hand Viewer
name: label: patentee
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: PG.810a
label: accession number
content: 48866
label: catalog number
content: 810a
objectType: label: Object Name
content: Patent Model
physicalDescription: label: Physical Description
content: handmade (overall production method/technique)