Patent model for Silas D. Palmer, “Improvement in Dental Flasks for Rubber,” U.S. Patent 159,441 (February 2, 1875). Silas D. Palmer (1812-1881) was a dentist in Toledo, Ohio, who assigned his patent to John R. B. Ransom, a businessman who provided supplies, instruments and furniture for barbers, doctors and dentists.

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.291116.161Accession Number: 291116Patent Number: 159,442Catalog Number: 291116.161

Object Name: Vulcanizervulcanizer, patent modeldental deviceOther Terms: Vulcanizer; Dentistry

Measurements: overall: 14 in x 6 in; 35.56 cm x 15.24 cm


Record Id: nmah_725133

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