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200″ disc in the CIT Optical Shop
Loading the 200″ disc on to the trailer
Herbert Ryser and Marshall Hall
New equipment for Big Bear Solar Observatory
Andrew Carnegie & G. E. Hale beside 60″ telescope
Theodore von Kármán with F. Malina, and others
Horseshoe on floor mill at East Pittsburgh Works
John Anderson
200″ dome from power house
Jenijoy La Belle on the steps of Throop Hall
Lifting of 60 ton crane from observing floor to crane tracks
Technician uses a piano wire straight edge for 120″ disc
Bruce Sage
Paul Ts’o
Harvey Eagleson
200″ coude cameras
Henry Lester in the lab
Henry Borsook
Alan Moffet
Clair C. Patterson