Digital Collections
Search 15,871 of our digitized items: artifacts, photographs, advertisements, letters, rare books, oral histories, and more.
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Letter from Phoebe Waterman Haas to John and Chara Haas, April 1, 1953
Helicopter Escape and Rescue Outfit (HERO) chalk concept sketch
Helicopter Escape and Rescue Outfit (HERO) Sketches
Letter of condolence to F. Otto Haas, May 20, 1967
Letter from Phoebe Waterman Haas to John C. Haas, November 20, 1951
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Collections
Digitized materials are selected from four collecting areas at the Science History Institute.