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Unidentified man in the Guggenheim Jet Propulsion Center
200″ telescope dome building--pouring concrete observing floor
48″ Schmidt--form work
Moving dome trucks on observing floor to position for hoisting to rail level
Shock tube in GALCIT
Mirror preparation
Mirror preparation
Arthur Erdelyi with student, T. Ryan
James Strauss with Norman Horowitz
Robinson building
Inspecting the 200″ mirror
Jerome Vinograd
George MacGinitie
Size comparison between a 30″ disc and the 200″
Side of the Southern California Cooperative Wind Tunnel (SCCWT) during construction
200″ disc with plaster inserts filled in on back of disc
Barry C. Barish
Loading 200″ disc from railway car on to trailer
James J. Morgan and Wheeler North
Frits Went