Photographic Copying Board
date: label: Date made
content: July 2, 1867
name: label: maker
content: Blackman, W. D.
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.000764
objectType: label: Object Name
content: Patent Model, Printing and Processing, Photographic Copying Board