[Hartmann's nasal speculum [realia] : 85.29.15 / designed by Arthur Hartmann.
Related Entities
There are 2 Entities related to this resource.
Penn Surgical Manufacturing Company.
http://n2t.net/ark:/99166/w64n5hg0 (corporateBody)
Hartmann, Arthur, 1849-1931
http://n2t.net/ark:/99166/w6gf14k9 (person)