Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[Robert F. Bacher; Evelyn Barbieri; Hilliard Barnard; Bates College {Charles F. Phillips. In re proposal to Draper Fund to buy small telescope. Incl c.2 ltrs Raymond L. Zwemer to CFPhillips; c.6 ltrs CFP to RLZwemer; ltr EGRosenthal to ISB; note WSAdams to ISB; ltr ISB to JAFleming; ltr ISB to OStruve}}; Ailene J. (Mrs. G. Philip) Bauer; William A. Baum {incl ltr ISB to PAS}; Bausch & Lomb Optical Co. {F. W. Jobe}; Isolde Beck; J. W. Byrd, Jr.; Ralph Bennewitz {ltr ISB to EBBiesecker; c.ltr EBBiesecker to RB}; Hugo V. Bennioff; William P. Bidelman]
Bowen
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Additional Formats
[Jacques Berry; William P. Bidelman {ASP}; Adriaan Blaauw {c.ltr AB to WABaum; c.ltr WABaum to AB; ltr ISB to RMinkowski}; Boeing Airplane Company {G. V. Dierst}; Bart J. Bok; J. Borgman; A. A. Boult; E. G. Bowen; Richard L. Bradley; Raymond H. Brand; G. H. Brenes; Leonard Brirsham, Jr.]
Bowen
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Additional Formats
[C. M. McCloskey; C. S. McDowell; Thomas W. McKnew {incl 1 copy ltr TWM to LADuBridge}; Dean B. McLaughlin {incl 1 ltr ISB to Athenaeum}; Andrew M. McMahon; Robert C. McMaster; J. H. McMillen; H. P. McPhail {incl 1 ltr RAMillikan to ISB}; John Maloney; Harry E. Maloy, Jr.; Jakob Mandelker; G. E. Manville {Grubb-Parsons. Incl 1 copy ltr GEM to GVMacauley}; Harley C. Marshall {1 copy ltr EESlowter to HCM}; R. R. Martel]
Bowen
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Additional Formats
[Mina Rees; P. J. van Rhijn; John Ribbe; Franklin Evans Roach {incl request for confidential info from Conference Board of Association of Research Councils-Committee on International Exchange of Persons to ISB; 1 ltr ISB to above; 1 copy ltr FER to MATuve; 1 tlgm G.I.Rayburn to ISB; 1 attached note of return tlgm ISB to GIR}; Aubrey S. Robb; Morton S. Roberts; Walter Orr Roberts; H. P. Robertson; L. Rosino {1 copy ltr LR to MLHumason; 1 copy ltr MLHumason to LR}; F. E. Ross {1 copy memo to ISB on "Scale and Focal Length of the 200" Mirror}; Philip Ruskin; Fred A. Russell]
Bowen
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Additional Formats
[Joseph Herczegh {incl ltr Joseph Lassanyi to ISB; ltr ISB to JLassanyi}; Hilger & Watts, Ltd. {J. W. Perry}; Byron Hill; Erik Holmberg; Alice W. Hood; A. van Hoof {icl ltr Louise Lowen to AvH; copy ms "On a Possibility to Resolve Spectroscopically Several Spectroscopic Binaries," by AvH}; Edwin E. Hudson; Ernest B. Hugg; H. C. van de Hulst {incl copy ltr Robert F. Bacher to HCvdH}; Milton L. Humason; Muhammad Hus-ain {folded}; Viola Hutchinson]
Bowen
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Additional Formats
[Alice Beach; J. W. Beams {incl copy ltr L.P.Eisenhart to JWB; copy ltr J.C.Hunsaker to JWB}; W. Becker; John C. Beckman {+ 1 photo}; Arthur Beer {1 folded}; E. A. Beet; Wilma Berkebile; R. R. Beyer; S. Bhagavantam {re Bappu}; Philip Biddison; Bruce H. Billings; Leon Blitzer]
Bowen