Dust Counter
name: label: maker
content: Bausch & Lomb Optical Company
notes: label: Description
content: Bausch & Lomb Dust Counter.
label: Description
content: Ref: Bausch & Lomb, The Bausch & Lomb Dust Counter (ca. 1937).
label: Description
content: Gustav Fassin, “Dust Counter,” U.S. Patent 2,129,527 (Sept. 6, 1938), assigned to Bausch & Lomb Optical Co.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Biological Sciences
creditLine: label: Credit Line
content: Lyle Skillen
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1997.0095.01
label: catalog number
content: 1997.0095.01
label: accession number
content: 1997.0095
objectType: label: Object Name
content: Dust Counter
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 30.4 cm x 13.6 cm x 23.4 cm; 11 15/16 in x 5 3/8 in x 9 3/16 in