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No. 6 in **E.182.13=No. 23, 24 in **E.5143.17 Herschel, Sir John Frederick William, Baronet. 1792-1871.
Fourth series of observations with a twenty-foot reflector; con- taining the places, descriptions, and measures of 1236 double stars (reduced to the beginning of 1830), the greater part of them not pre- viously described.
London. Moyes. 1830. 331-378 pp. 4°.
From the Memoirs of the Astronomical Society of London, vol. 4 [**E.230.13.4].
[This work is kept on the Special Libraries Floor.]
Jan. 1, IQOI *D7842 — Stars, Double.