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(61 - 80 of 137)
Byron Hill, superintendent at Palomar beginning in June 1936
Title
Byron Hill, superintendent at Palomar beginning in June 1936
Format
photograph: print
Series
Academic Divisions
48″ telescope drive
Title
48″ telescope drive
Format
photograph: print
Series
Academic Divisions
200″ aluminum tank cover, top view
Title
200″ aluminum tank cover, top view
Format
photograph: print
Date
1947-10-09
Series
Academic Divisions
Trucking the aluminizing chamber
Title
Trucking the aluminizing chamber
Format
photograph: print
Date
1940
Series
Academic Divisions
17″ shock tube vacuum pump
Title
17″ shock tube vacuum pump
Format
photograph: print
Date
1961-01
Series
Academic Divisions
Benjamin Traxler, electrician, with the radio tansmitter used to keep in touch with the Caltech campus
Title
Benjamin Traxler, electrician, with the radio tansmitter used to keep in touch with the Caltech campus
Format
photograph: print
Series
Academic Divisions
200″ telsecope in the position it assumes when observing in the immediate vicinity of the Pole Star
Title
200″ telsecope in the position it assumes when observing in the immediate vicinity of the Pole Star
Format
photograph: print
Date
1940
Series
Academic Divisions
200″ mirror back support
Title
200″ mirror back support
Format
photograph: print
Series
Academic Divisions
Knife-edge focusing device used in 200″ prime focus plate holder
Title
Knife-edge focusing device used in 200″ prime focus plate holder
Format
photograph: print
Series
Academic Divisions
Controls for 18″ Schmidt telescope, with clock drive
Title
Controls for 18″ Schmidt telescope, with clock drive
Format
photograph: print
Date
1946-05-09
Series
Academic Divisions
Polishing 48″ Schmidt plate
Title
Polishing 48″ Schmidt plate
Format
photograph: print
Date
1947-05-15
Series
Academic Divisions
Palomar construction crew
Title
Palomar construction crew
Format
photograph: negative
Date
1936-08-28
Series
Academic Divisions
Work camp and cottage #4 from the 200″ dome
Title
Work camp and cottage #4 from the 200″ dome
Format
photograph: negative
Date
1937
Series
Academic Divisions
Exterior view of the dome building
Title
Exterior view of the dome building
Format
photograph: print
Series
Academic Divisions
Pouring concrete mirror substitute for the 200″ telescope
Title
Pouring concrete mirror substitute for the 200″ telescope
Format
photograph: print
Date
1940
Series
Academic Divisions
Mountain residence
Title
Mountain residence
Format
photograph: print
Series
Academic Divisions
Declination gear of the 200″ telescope
Title
Declination gear of the 200″ telescope
Format
photograph: print
Date
1940
Series
Academic Divisions
Declination drive
Title
Declination drive
Format
photograph: print
Date
1940-11
Series
Academic Divisions
One of the observing floor hatch covers used as a painters’ scaffold
Title
One of the observing floor hatch covers used as a painters’ scaffold
Format
photograph: print
Date
1939
Series
Academic Divisions
200″ dome structure
Title
200″ dome structure
Format
photograph: negative
Date
1938
Series
Academic Divisions