- 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).
- Currently not on view
- Object Name
- Apparatus, Testing, Eye
- Other Terms
- Apparatus, Testing, Eye; Medicine
- Wottring Instrument Co.
- 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
- model number
- serial number
- patent number
- accession number
- catalog number
- See more items in
- Medicine and Science: Medicine
- Data Source
- National Museum of American History
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