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Plate holder for 200″ prime focus spectrograph (5 x 7 plates) with guider
Aluminizing of mirror at Palomar
Josef Johnson at the controls of the 18″ Schmidt telescope
Fork--48″ Schmidt telescope
48″ Schmidt telescope
Plate holder for 200″ prime focus spectrograph (5 x 7 plates) with guider
Exterior view of the dome building
Control desk of 200″ telescope
B-ray spectrometer coiling winding
200″ coude slit assembly
17″ shock tube--tail stock fixture
48″ Schmidt mirror
Water tank test
Lifting the south yoke through the hatch in the observing floor
B-ray spectrometer machine setup
Aluminizing tank for 200″ mirror
Hoisting the aluminizing tank to the observing level with the dome
New aluminized coat on the 200″ mirror
Dome housing for the 18″ reflector Schmidt-type telescope
200″ dome as seen from the highway