Elm Slide And Opaque Projector, Type Ap-15a
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.7975
label: catalog number
content: 7975
physicalDescription: label: Physical Description
content: manufactured (overall production method/technique)