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(1 - 13 of 13)
200″ disc suspended from crane in Optical Shop
120″ grinding machine
18″ aperture, Schmidt Telescope in Instrument Shop
Exterior of Optical Shop
Positioning 200″ disc with steel edge band
Special grinding tool for cylindrical holesin ribbed back of 120″ disk
200″ disc in the CIT Optical Shop
Optical Shop from Visitor’s gallery
Silvering the mirror for the 100″ telescope at Mt. Wilson
Tenth scale model of 200″ telescope
200″ disc on special car and train
Interior of Optical Shop, from visitor’s gallery
Exterior of Instrument Shop