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(21 - 40 of 558)
Dome truck hoisted to position for rolling frame
Fine grinding of 20″ mirror disc on two-foot grinding machine
48″ Schmidt--pouring lower base moulding
Piano wire stright edge (close-up) showing electrical equipment used in reading contact
Time standard oscillators--panel end
Truck convoy nearing dome
Removing the rail grinder
No. 5 coude mirror mechanism, up position
200″ telescope--preparing east horn for placement
Dr. Mason and committee at work camp
Insulating exterior aluminizing tank
Time standard room
Garage at residence
Power House, machine shop looking east
West horn of horseshoe
East panel of 200″ telescope tube
200″ dome with shutters open
Aluminum tee installation
Steel 200″ dome structure, stationary part and base frame
200″ dome with shutters open