Dental Impression Trays (2)


The inscription on one metal tray reads “ROACH SECTION TRAY / 3 / DENTAL PRODUCTS CO. / CHICAGO.” The other tray is No. 4. The inscription on the cardboard box reads “ROACH SECTIONAL TRAYS / SET OF TWO -- NOS. 3 AND 4 / 75 CENTS / DENTAL PRODUCTS COMPANY / 7512 GREENWOOD, CHICAGO.”

Ref: Finnis E. Roach, “Dental Tray,” U.S. Patent 1,367,627 (Feb. 8, 1921).

Finnis E. Roach, “Dental Impression Flask or Tray,” U.S. Patent 1,367,628 (Feb. 8, 1921).

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.291116.285Accession Number: 291116Catalog Number: 291116.285

Object Name: impression and bite traysOther Terms: Dentistry

Measurements: overall: 7/8 in x 3 5/8 in x 1 1/8 in; 2.2225 cm x 9.2075 cm x 2.8575 cm


Record Id: nmah_728817

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