Bausch & Lomb “Certificate of Inspection” (for a Model 502? — includes a small key and two screws, one loose in the envelope), undated
File — Box: 1, Folder: 7
Dates
- Creation: undated
Repository Details
Part of the Science History Institute Archives Repository
Contact:
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org