Retting (Includes David Spence’s “Improvements in Guayule Rubber”.), 1927-1930
File — Box: 5, Folder: 11
Dates
- Creation: 1927-1930
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