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South bearing in place
Telescope assembly
200″ telescope--west horn section in place
Barrow pit for backfill at 20″ dome building
Hoisting dome trucks to the observing floor
Aluminum first coat out 200″ dome
Installation of dome trucks
18″ Schmidt through shutters
South bearing ready to place
Prime focus mirror assembly and observers house mounted on cage ready for final erection.
Time standard oscillators
Installing second dome drive unit
200″ dome with shutters open
Palomar Observatory Site
20″ telescope looking southeast
Crane being cut loose from main arch span
Air view of Palomar property from altitude of 8500 feet
Cabin from the south
Construction of storage building
Workman looking over the Palomar observatory site