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Henson Bore-Hole Surveying Apparatus, 1928-1929

 File — Box: 7, Folder: 9

Dates

  • Creation: 1928-1929

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)