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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
Harold Lurie
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
Royal Sorensen
200″ coude cameras
Henry Lester in the lab
Henry Borsook
Alan Moffet
Clair C. Patterson
Hans Liepmann
Edgar-Serrurier-Porter model of frame-yoke, close-up with scale person