Optometer (2)
date: label: Date made
content: ca 1928
name: label: maker
content: Clear-Sight Spectacle Co.
notes: label: Description
content: Two self-test optometers. One is a "Scientific Self-Tester" from the Clear-Sight Spectacle Co.; and one is from the Self-Test Optical Co.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: FDA
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN82856X18
objectType: label: Object Name
content: optometer, self-test
physicalDescription: label: Physical Description
content: wood (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 30.1 cm x 3.5 cm x 2 cm; 11 7/8 in x 1 3/8 in x 13/16 in