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Clark Millikan in the 10-foot wind tunnel
Construction of 200″ telescope--view from crane
Unloading 200″ disc from railway car
The wreck of City Hall after the 1906 San Francisco earthquake
Dome under construction
Chem Club on steps of Gates
Justus G. Kirchner
James Bonner explaining an exhibit
Painting platform
Harry Bateman
120″ machine
H. C. Yin
Royal Sorensen
Schmidt dome looking east
200″ table with timbers in place for mounting disc for edging
Norman Horowitz
Van de Graaff accelerators
Paul Ehrenfest and Calvin Bridges
Geology Division
Henry Hellmas in plant lab