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Title: Franz Boas with Robert Millikan
Format: photograph: print
Date: 1931-06
Description: Photo was possibly taken at the AAAS meeting in Pasadena. Robert Millikan Papers.

Title: Alexander Goetz shown with apparatus for manufacturing liquid helium
Format: photograph: print
Date: 1932
Series: Academic Divisions

Title: A. H. McAllister and Alexander Goetz
Format: photograph: print
Date: 1932
Series: Academic Divisions
Description: Instruments for tabulating cold and pressure. Physics.

Title: Charles C. Lauritsen and Robert A. Millikan stand atop the million volt x-ray tube
Format: photograph: negative
Series: Academic Divisions
Description: The tube was developed and built at Caltech by Lauritsen and colleagues in 1928. In 1931 Millikan persuaded the Detroit cornflake magnate W. K. Kellogg to finance a new lab to house the research. Physics.

Title: John D. Strong & Enrique Gaviola looking into the freshly aluminized 100″ mirror
Format: photograph: print
Series: Academic Divisions
Description: Photo was taken on the floor of the Hooker telescope dome, Mt. Wilson Observatory.

Title: Robert A. Millikan with Herbert Hoover and his wife
Format: photograph: negative
Series: Individuals
Description: L-R: Herbert Hoover, Lou Hoover, Robert A. Millikan.

Title: Robert Millikan with cosmic-ray photon display
Format: photograph: negative
Date: 1933-12
Series: Individuals

Title: John D. Strong & Enrique Gaviola looking into the freshly aluminized 100″ mirror
Format: photograph: print
Series: Academic Divisions
Description: Photo was taken on the floor of the Hooker telescope dome, Mt. Wilson Observatory.

Title: Preliminary model of 200″ telescope
Format: photograph: print
Date: 1936-02-20
Series: Academic Divisions

Title: John Anderson and Marcus H. Brown
Format: photograph: print
Date: 1934-05
Series: Academic Divisions
Description: Marcus Brown was in charge of grinding the 200-inch mirror for Palmoar.

Title: Robert A. Millikan, seated at his desk
Format: photograph: negative
Date: 1932-09
Series: Individuals

Title: John Blackburn holding the innter electrode of the million volt x-ray tube
Format: photograph: print
Series: Academic Divisions

Title: Construction of 200″ telescope
Format: photograph: print
Series: Academic Divisions

Title: A. Soltan looking into a paraffin-lined Lauritsen electroscope
Format: photograph: print
Date: 1933
Series: Academic Divisions

Title: World’s smallest radio tube (far right)
Format: photograph: print
Date: 1936-06-18
Series: Administration
Description: Tube was developed by G. W. Potapenko and C. Y. Meng. Miscellaneous experiments.

Title: Robert Schad (Huntington Library) and William Munro
Format: photograph: print
Series: Administration
Description: Trustees-group photos-informal.

Title: Irving Krick and W.C. Rockefeller inspecting chart
Format: photograph: negative
Date: 1935
Series: Academic Divisions
Description: Krick and Rockefeller inspecting an airline weather chart.

Title: Curved wind tunnel for studying air turbulence
Format: photograph: print
Date: 1935-02
Series: Academic Divisions
Description: This wind tunnel was designed and built by Dr. Frank Watendorf.

Title: Construction of 200″ telescope
Format: photograph: print
Series: Academic Divisions

Title: Walter Adams, Edwin Hubble and Sir James Jeans at Mt. Wilson
Format: photograph: negative
Date: 1931-04
Series: Academic Divisions

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