Roto-Scope
Roto-Scope
- 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
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.
If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.
Note: Comment submission is temporarily unavailable while we make improvements to the site. We apologize for the interruption. If you have a question relating to the museum's collections, please first check our Collections FAQ. If you require a personal response, please use our Contact page.