DYSON, Sir Frank Watson, letters, autographs, documents, manuscripts

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DYSON, Sir Frank Watson (1868-1939). Astronomer Royal.
Autograph Letter Signed to Mrs Joyce, wife of prebendary Joyce, 2 pages 8vo (attached by brown sticky tape to a mount), Royal Observatory, 9 July 1924.
Concerns a lunar eclipse and telling her the times to observe it:

'... Eclipe begins Aug 14th 9.47 pm
Totality begins 10.47 "
Totality ends 12.25 "
Eclipse ends [Aug] 15 1.25 a.m.
The Greenwich ['Mean' deleted] Time is 3h. 16m. earlier. ... so that at Petersham you will see the eclipse at 7h.31m to 11h.9m.'



£125 [No: 25613]
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