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Plate holder for 200″ prime focus spectrograph (5 x 7 plates) with guider
Jack and azimuth adjusting screw on southeast corner of the base frame
200″ dome under construction as seen from the highway
200″ mirror support system
Mt. Wilson comparator, front view
Preparing east horn for placement
200″ dome--between storms
48″ Schmidt corrector plate and grinding machine
Cottage #5
Welding top of arch #1
Reinforcing and forms at bulkhead of 200″ telescope dome building
200″ dome at Palomar
View of the Palomar observatory site
48″ Schmidt telescope polar axis from truck
200″ dome
Removing mirror support blocking
Erection progress
Plate holder for 200″ prime focus spectrograph (5 x 7 plates) with guider
Foundation (stationary part) of the Schmidt dome building as seen from the east
Painting exterior of 200″ dome