Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[Incl c.3 memos BHR to BAHill; c.2 memos BHR to RBLeighton; c.memo BHR to KAJacobson; c.ltr BHR to GOAbell; c.ltr BHR to S. Tropheme; c.memo RGHarrington to BHR; c.3 ltrs BHR to Jöran M. Ramberg (ESO); c.memo BAHill to RBGilmore; c.memo BHR to JEEwart]
Bowen
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Additional Formats
[Incl c.memo BHR to Physical Plant; c.memo BHR to CNewton; c.ltr BHR to George Sisson {Grubb Parsons}; c.memo BHR to HHolloway; c.memo BHR to KAJacobson; c.memo BHR to BAHill]
Bowen
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Additional Formats
[Incl c.memo RCPoolman to BHR; c.memo CLFriswold to BHR; c.memo BHR to Floyd E. Day; c.ltr BHR to Paul G. Ledig; c.ltr BHR to Albert V. Shatzel; c.ltr BHR to George Z. Dimitroff; c.memo BHR to BAHill; c.ltr BHR to George M. Sisson; c.memo HHGNash to BHR. + 7 folded drawings]
Bowen
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Additional Formats
[Incl c.ltr BHR to ALReimann; c.ltr Adolph Razdow to BHR; c.ltr BHR to ARazdow; c.ltr Donald K. Wilson {Razdow Labs} to BHR; c.memo BHR to BAHill. + "Designs for Proposed 60-Inch Telescope," by BHR]
Bowen
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Additional Formats
[Incl c.2 ltrs BHR to NUMayall; c.ltr BHR to Shambhu D. Sinvhal; c.memo GWGreen to LAD; c.ltr BHRule to WWBaustian]
Bowen
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Additional Formats
[c.2 ltrs BHR to HWB; c.ltr BHR to Arthur H. Vaughan, Jr.; c.ltr BHR to Floyd Day]
Bowen