Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Manuscripts
[Daily Mirror (2); Bernard G. Dale (3); Darling Astronomy Club (Duluth, Minnesota) (2); Denny Refrigeration Co. (1); Charles Dollard (1); Lee Alvin DuBridge (1)]
mssHumason papers
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Manuscripts
J. B. Dennis (2); C. E. Depperman, S.J. (3); Andrew Ellicott Douglass (2); Lee Alvin DuBridge (2)
mssPettit papers
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Manuscripts
[California Institute of Technology (G. Housner) (2); California Institute of Technology News Bureau (1); Thad W. Culmer, II (2)]
mssHumason papers
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Additional Formats
[Lee Cahn; California Institute of Technology Management Club {Herbert D. Strong, Jr.; Bruce H. Rule}; Richard Carey {& Fred Goodwin}; Leonard Carmichael {incl c.ltr ISB to VBush; reprint "The Abundance of Oxygen in the Sun," in Reviews of Modern Physics 20 (1948): 109-12 by ISB w/ note}; Stan G. Cawelti; Joseph M. Chamberlain; S. Chandrasekhar; A. C. Childs; Hugh Couch; James Cuffey {incl 2 photos); Edmund H. Cullington; C. P. Custer]
Bowen
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Manuscripts
[RPI Engineer (2); Theodore Morse Ritchie (2); Franklin E. Roach (2); L. Rosino (2); Bruce H. Rule (c.ltr BHR 6 Elmer Neimoeller, American Institute of Electrical Engineers) (1); A. W. Rundquist (2)]
mssHumason papers
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Manuscripts
[California Academy of Sciences (2); Fred W. Cassirer (1); S. E. Chaney, Jr. (3); Chauvin Arnoux (2); Albert Clark (2); Amos E. Clark (2); The Arthur H. Clark Co. (3); William Weber Coblentz (2); Collier's Readers Research Bureau (2); Sir Alwyn Crow (1); Leslie Cryer (2); John Hamilton Curtiss (1)]
mssHumason papers