Polaroid
date: label: date made
content: ca 1937
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1992.0564.04
label: accession number
content: 1992.0564
label: catalog number
content: 1992.0564.04
objectType: label: Object Name
content: quarter wave lenses
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: cardboard (container material)
label: Measurements
content: overall - from catalog card: 1 3/4 in; x 4.445 cm
label: Measurements
content: overall - lens: 1/8 in x 1 3/4 in; x .3175 cm x 4.445 cm
label: Measurements
content: overall - box: 2 7/8 in x 4 1/4 in x 1/2 in; 7.3025 cm x 10.795 cm x 1.27 cm