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Hallett Smith
Owens Valley Radio Observatory (OVRO), construction
Southern California Cooperative Wind Tunnel (SCCWT)
Solar furnace
Pol Duwez with solar furnace
Ned Hale and Robert Huttenback
200″ mirror disc filled with plaster of Paris
Mirror preparation
Gilbert McCann
Peter Kyropolous
Closeup of 200″ plug showing healed fractures
James Liverman and James Bonner
Geology Division
John Schutz
Single nozzle 616-tube burner with nozzle and supply tubes removed from casing
Richard T. Jones
Construction of dome for 60″ telescope at Palomar
Hugo Benioff’s horizonal component seismometer
L. Winchester Jones