Astronomy historian Michael Hoskin writes to Grace Hubble, requesting permission to publish Edwin's research on the Van Maanen rotations. He explains that the work Edwin did examining Van Maanen's measurements was never fully published, supposing it was because of interpersonal relationships. If she approves, he asks that she contact the Huntington on his behalf and ask the library to photocopy the pertinent papers. He thanks her again for allowing him to see Edwin's papers. With envelope.
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