Caltech groundbreaking -- Keck Engineering Building, 1959
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2 images. Caltech groundbreaking -- Keck Engineering Building, 2 September 1959. W.M. Keck the 2nd; Howard B. Keck; W.M. Keck Jr.; A.C. Ingersoll.; Caption slip reads: "Photographer: Swaim. Date: 1959-09-02. Reporter: Swaim. Assignment: Caltech groundbreaking, Keck Engineering Bldg. 13/14: L. to R., W.M. Keck, II; Howard B. Keck (with hammer); W.M. Keck, Jr. 11: Howard B. Keck actually striking steel bar (frozen) with hammer, breaking it, and breaking circuit which starts Hydraulic mining gun in background, manned by Prof. A.C. Ingersoll. 12/17/18: Prof. A.C. Ingersoll at controls of hydraulic gun, breaking ground for engineering lab with stream of water".
创建时间：
2024-05-25
