Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Additional Formats
[Pasadena Chamber of Commerce; Pasadena City Schools; J. L. Pawsey; B. S. Peirson {Corning Glass Works}; Penn Optical & Instrument Co. {W. V. Penfold}; Lubos Perek; Roberto Monnar Pérez {crank}; Guillermo Pérez-Salazar, Jr.; Richard S. Perkin; Charles L. Perry; R. M. Petrie; S. B. Pickelner; James S. Pickering]
Bowen
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Additional Formats
[Tod Pace; Thornton Page {incl c.ltr TP to AHJoy}; Bernard Pagel; R. J. Palk; Robert A. R. Parker; P. W. Parsons; Benjamin F. Peery, Jr. {incl c.3 ltrs OCWilson to BFP; ltr BFP to OCWilson}; Lubos Perek; Perkin-Elmer Corp. {M. D. Rosenau; Margaret D. Wood}; R. M. Petrie {incl ltr re WBuscombe}; Poggendorf-Redaktion {H. Salié}; Daniel M. Popper; J. F. Power; W. T. R. Price {crank}; W. M. Protheroe]
Bowen
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Additional Formats
[Amos Leon Parker {folded}; Joseph A. Pearce; Willis E. Pequegnat; Richard S. Perkin; R. M. Petrie {incl ltrs OCWilson to KOWright}; Gerard Piel; Keith Pierce; George V. Pippy; H. E. D. Pollock; Daniel M. Popper; Public Utilities Commission, State of California]
Bowen
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Additional Formats
[Richard S. Perkin; Perkin-Elmer Corp. {Ennis B. Warren}; R. M. Petrie {incl c.ltr HWB to RMPetrie}; Petroleum Today {Libby Watterson}; David Josemi Pfaltzgraff; Photographic Society of Virginia {H. H. Hevenor}; Physics Today {Barbara Strell}; S. B. Pikelner; Daniel M. Popper; Popular Science Monthly {Wesley S. Griswold}; Joseph Francis Power; Prentice-Hall, Inc {Walter E. Langsam}; George W. Preston]
Bowen
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Additional Formats
[J. L. Pawsey; Cecilia Payne-Gaposchkin; Richard S. Perkin {ltr RSP to DOHendrix; note DOHendrix to ISB}; R. M. Petrie; Ivan Peyches {incl ltr Eugene C. Sullivan (Corning) to ISB; ltr Ed. Condon to ISB}; John G. Phillips; Philosophical Library {Robert E. Pike; Ralph B. Winn}; H. H. Plaskett {incl c.ltr HWBabcock to HHP}; L. Plaut; Harry E. D. Pollock; Daniel M. Popper; Lloyd C. Pray; Nathan M. Pusey {re Harvard College Observatory directorship. Incl ltrs McGeorge Bundy to ISB]
Bowen
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Additional Formats
[R. M. Page {Naval Research Lab}; J. Parez; A. K. Parker {Cambridge University Press}; Pasadena City Schools {Robert E. Jenkins}; Charles H. Percy {Republican Committee on Program and Progress}; Lubos Perek {Incl ltr ISB to Wallace Brode; ltr WBrode to ISB; ltr Scott C. Lyon to ISB; ltr ISB to SCLyon; 3 ltrs ISB to Ellen Gavrisheff; ltr ISB to WTLockett; ltr John C. Graffin to ISB; ltr ISB to Office of Munitions Control; ltr Robert B. Wright to ISB; ltr Geraldine S. DePuy to ISB}; Charles L. Perry; James S. Pickering; A. Keith Pierce; Pierce Junior College {Richard M. Tullar}; Ernest W. Piini]
Bowen