Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Additional Formats
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Image not available
Additional Formats
[Emil R. Herzog {incl c.ltr WABaum to ERH}; W. A. Hiltner {incl c.report "Spectrographic Experiments with Image Converters at the 100-Inch Telescope," by WABaum + photo}; Hoikusha Publishing Co., Ltd. {H. Murakami}; Horizons of Science {Bert Shapiro}; J. Houtgast {incl ltr MMinnaert to ISB; c.2 ltrs MMinnaert to RRMcMath; ltr RRMcMath to ISB; c.ltr RRMcMath to MMinnaert; ltr ISB to RRMcMath; c.ltr JH to Walter S. Mitchell, Jr.}; Léo Houziaux; Humble Touring Service; Alan Hunter; Max W. Hunter {c.ltr AJDeutsch to MWH}]
Bowen
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Additional Formats
[John S. Hall {incl c.ltr MLHumason to JSH}; Ian Halliday; Eugene Hancock; Charles E. Harding, Jr. {crank}; Leita A. Harmon; William S. Healey; O. Heckmann; Karl G. Henize {incl ltr ISB to EBB}; Barklie Henry; Molly Henshaw]
Bowen
Image not available
Additional Formats
[Y. Hagihara {incl ltr Hiroshi Kubota to ISB}; Leo Hanzione; Guillermo Haro; Daniel E. Harris; Harvard College Observatory; The Haskin Service {M. Goodrich}; Gerald S. Hawkins; C. H. Hayslett; H. Lawrence Helfer {incl c.ltr LAD to HLH}; Donald O. Hendrix {incl c.ltr DOH to Edwin F. Carpenter}; Barklie McKee Henry; C. J. Heyboer {folded}; Hall L. Hibbard]
Bowen
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Additional Formats
[C. Nelson Hackett; George Hall {incl c.ltr GH to Joseph J. Lawlor}; John S. Hall; Eugene L. Hancock {incl c.ltr EBBiesecker to ELH}; Arthur C. Hardy; George R. Harrison {incl c.ltr HDBabcock to GRH}; Douglas R. Hartree {incl c.ltr DRH to LHAller}; L. M. Heil; C. F. Helmbold; Karl G. Henize; L. G. Henyey; George H. Herbig; Paul Herget]
Bowen
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Additional Formats
[Incl c.ltr AB to ABMeinel; c.ltr CAFederer,Jr. to AB; c.ltr AB to CAFederer; c.3 ltrs AB to FZwicky; c.2 ltrs FZwicky to AB; c.ltr AB to Emil Herzog]
Bowen
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Additional Formats
[J. Vern Hales; Andrew Hamilton; Robert H. Hardie; Guillermo Haro; William A. Hatt; Sherwood K. Haynes; H. Martin Hays; John F. Heard; Barklie McKee Henry; George H. Herbig; Mrs. Dorothy Hicks; William A. Hiltner; August Hoffmann; Hermine Holler; Michael A. Hoskins {c.ltr HWB to MAH}; Richard G. Huzarski]
Bowen