Caltech groundbreaking -- Keck Engineering Building, 1959

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".

本数据集共收录2张影像，主题为1959年9月2日加州理工学院（Caltech）凯克工程楼的破土动工仪式。出席本次仪式的人员包括W.M.凯克二世、霍华德·B·凯克、W.M.小凯克与A.C.英格索尔。标注条信息如下：摄影师：斯威姆（Swaim）；拍摄日期：1959-09-02；撰稿人：斯威姆（Swaim）；拍摄任务：加州理工学院凯克工程楼破土动工仪式。编号13/14：从左至右依次为W.M.凯克二世、手持铁锤的霍华德·B·凯克、W.M.小凯克。编号11：霍华德·B·凯克正用铁锤敲击钢筋（画面定格），将钢筋砸断，同时触发启动背景中水力采矿喷枪（Hydraulic mining gun）的电路，该喷枪由A.C.英格索尔教授操控。编号12/17/18：A.C.英格索尔教授正操控水力采矿喷枪，以水流为工程实验室破土动工。