Magnifying Visor
notes: label: Description
content: Inscriptions on the cardboard box read “OptiVISOR / Optical Glass Binocular Magnifier” and “MODEL NO. D-A3.” The Donegan Optical Co., which introduced the term “Optivisor” to commerce in 1960, began in business in Kansas City, Mo., in 1952, and has since moved to Lenexa, Ks. The firm was originally led by William J. Donegan (1923-2006).
label: Description
content: Ref: Ref: William J. Donegan, “Adjustable Head Band,” U.S. Patent 3,325,824 (June 20, 1967), assigned to the Donegan Optical Co.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Gift of the Estate of Paul W. Reiser, D.D.S.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1993.0107.208
label: catalog number
content: 1993.0107.208
label: accession number
content: 1993.0107
objectType: label: Object Name
content: magnifying visor
physicalDescription: label: Measurements
content: overall: 5.5 cm x 20.9 cm x 17.6 cm; 2 5/32 in x 8 7/32 in x 6 15/16 in