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H2CO-He Problems (Folder 1 of 2), 1972-1975

 File — Box: 2, Folder: 42

Dates

  • Creation: 1972-1975

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)