Mount Wilson 60-Inch

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  60-Inch [Palomar] Tests -- Final

  Additional Formats

  [folded]

  Bowen

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  MOUNT WILSON OBSERVATORY [7]

  Additional Formats

  [Corresp: Hugh A. Bell {Pacific Telephone & Telegraph} --folded]

  Bowen

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  PLANS FOR JOINT OPERATION OF MOUNT WILSON AND PALOMAR OBSERVATORIES [20]

  Additional Formats

  [Incl 3 ltrs PAScherer to ISB; ltr LAD to ISB; ltr JFSullivan to ISB; c.ltr LAD to V.Bush. 1 folded.]

  Bowen

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  200-Inch Adjustments

  Additional Formats

  [folded]

  Bowen

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  Cassegrain Corrector --200-Inch

  Additional Formats

  [folded]

  Bowen

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  100-Inch DuPont Coudé

  Additional Formats

  [Incl c.memo BHRule to HWB. folded]

  Bowen