Dental Engine


Patent model for Edward P. Ryder, “Dental Engine,” U.S. Patent 169,375 (Nov. 2, 1875). Ryder, of Brooklyn, assigned his patent rights to Samuel S. White of Philadelphia.

Location: Currently not on view

See more items in: Medicine and Science: Medicine


Exhibition Location:

Credit Line: Gift of Columbia University School of Dental and Oral Surgery

Data Source: National Museum of American History

Id Number: MG.291116.493Accession Number: 291116Patent Number: 169,375Catalog Number: 291116.493

Object Name: ?engine / drill, patent modeldental instrumentOther Terms: ?; Dentistry

Measurements: overall: 7/8 in x 4 1/2 in x 1 in; 2.2225 cm x 11.43 cm x 2.54 cm


Record Id: nmah_731951

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