E-7.3 – Swenson Evaporator Company – Heyden Chemical Company, 1939-1940
File — Box: 3, Folder: 9
Dates
- Creation: 1939-1940
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