Roto-Scope

Roto-Scope

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Description
The Roto-Scope, a device for testing eyes, was invented by Leroy Wottring (1885-1966), in the 1930s, and produced by the Wottring Instrument Co. in Lorain, Ohio. The American Optical Co. acquired that firm around 1950. An inscription on this example reads “The Wottring Roto-Scope / Manufactured by Wottring Instrument Co. Lorain, Ohio, U.S.A. / MFD. under Pat. No. 1,840,482 Other Pat's Pending / Model No. 34N / Serial No. 1145 / Remove this plate to oil.”
Ref: Leroy Wottring, “Speed Governor Mechanism,” U.S. Patent 1,840,482 (Jan. 12, 1932).
Leroy Wottring, “Apparatus for Orthopedic Training Purposes,” U.S. Patent 2,091,173 (Aug. 24, 1938).
Location
Currently not on view
Object Name
Apparatus, Testing, Eye
Other Terms
Apparatus, Testing, Eye; Medicine
maker
Wottring Instrument Co.
Measurements
overall: 40 cm x 30 cm x 53 cm; 15 3/4 in x 11 13/16 in x 20 7/8 in
ID Number
ZZ.RSN83566U39
model number
34N
serial number
1145
patent number
1,840,482
accession number
302437
catalog number
MG.302437.13.1
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History
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