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(1 - 16 of 16)
Donald S. Clark (standing) with students in the metallurgy lab
Wind tunnel class
200″ mirror
200″ mirror
Demonstration of psychological testing
Close-up of filming of drill press operation for Time and Motion Class
Time and Motion Study class
Arthur H. Young
Arthur H. Young
Caltech military meteorology class
Class in Personnel and Industrial Relations
William Pickering and others
Robert Gray
200″ disc on table of 200″ machine
200″ telescope at Palomar
Robert Millikan and GALCIT Aeronautics Faculty