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R. A. & Sideral time control unit for 200″
Eyepiece insert for plate holder--200″ prime focus?
48″ Schmidt--hoisting upper tube section
Aluminizing the 200″ mirror
Polar axis of the 48″ Schmidt telescope
Pump set-up looking north
Plate holder for 200″ prime focus spectrograph (5 x 7 plates) with guider
200″ mirror support system
Mt. Wilson comparator, front view
48″ Schmidt corrector plate and grinding machine
200″ dome at Palomar
48″ Schmidt telescope polar axis from truck
Plate holder for 200″ prime focus spectrograph (5 x 7 plates) with guider
Aluminizing of mirror at Palomar
Fork--48″ Schmidt telescope
Plate holder for 200″ prime focus spectrograph (5 x 7 plates) with guider
Control desk of 200″ telescope
B-ray spectrometer coiling winding
200″ coude slit assembly
17″ shock tube--tail stock fixture