Rectal Speculum


Patent model for Alexander W. Brinkerhoff, “Rectal Speculum,” U.S. Patent 224,991 (March 2, 1880). Brinkerhoff (1821-1887) was an inventive entrepreneur in Upper Sandusky, Ohio.

Ref: Alexander W. Brinkerhoff, Diseases of the Rectum and New Method of Rectal Treatment (Columbus, Ohio, 1881).

Jacob Dissinger Albright, A Practical Treatise on Rectal Diseases (Philadelphia, 1909), p. 65.

Joe Terry, “I’ll take Patent Potpourri for a Thousand, Alex,” Bottles and Extras (Spring 2006): 58-62.

Maker: Brinkerhoff, Alexander W.

Location: Currently not on view

Subject: Patent Models


See more items in: Medicine and Science: Medicine


Exhibition Location:

Data Source: National Museum of American History

Id Number: MG.M-04325Catalog Number: M-04325Patent Number: 224,991Accession Number: 89797

Object Name: speculum, rectalOther Terms: Surgery

Measurements: overall: 1 3/4 in x 5 7/8 in x 2 3/4 in; 4.445 cm x 14.9225 cm x 6.985 cmone part: 5 3/4 in x 1 9/16 in x 1 1/4 in; 14.605 cm x 3.96875 cm x 3.175 cmsecond part: 4 15/16 in x 5/8 in x 1 in; 12.54125 cm x 1.5875 cm x 2.54 cm


Record Id: nmah_729841

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