[Counting chamber with Zappert ruling] [realia] : 6484.

ArchivalResource

[Counting chamber with Zappert ruling] [realia] : 6484.

1 counting chamber : glass ; 7.6 x 2.5 x .4 cm.

Related Entities

There are 1 Entities related to this resource.

Spencer Lens Company

http://n2t.net/ark:/99166/w68966zq (corporateBody)