[Counting chamber with Thoma ruling] [realia] : 6482 / designed by Richard Thoma.
Related Entities
There are 2 Entities related to this resource.
Spencer Lens Company
http://n2t.net/ark:/99166/w68966zq (corporateBody)
Thoma, Richard, 1847-1923
http://n2t.net/ark:/99166/w6sv0j6w (person)