Printing and Processing Photo-engraving
date: label: Date made
content: April 28, 1857
name: label: maker
content: Humphrey, S. Dwight
notes: label: Location
content: Currently not on view
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.000875
objectType: label: Object Name
content: Patent Model, Printing and Processing, Photo-engraving