[Pratt's rectal speculum, sigmoid] [realia] : 75.30.18 / designed by Edwin Hartley Pratt.
Related Entities
There are 2 Entities related to this resource.
Pratt, E. H. (Edwin Hartley), 1849-1930
http://n2t.net/ark:/99166/w6pg22w3 (person)
J. Sklar Manufacturing Company.
http://n2t.net/ark:/99166/w6867pdp (corporateBody)