Additional Formats
Mount Wilson 60-Inch
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MOUNT WILSON OBSERVATORY [7]
Additional Formats
[Corresp: Hugh A. Bell {Pacific Telephone & Telegraph} --folded]
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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