H2CO-He Problems (Folder 2 of 2), 1972-1975
File — Box: 3, Folder: 1
Dates
- Creation: 1972-1975
General Note
Contains 2 black and white transparencies.
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