Longitude.
No. 12 in **E£,191.6
Herschel, Sir John Frederick William, bart. Account of a series of observations for determining
the difference of the meridians of the observato- ries of Greenwich and Paris.
Lond. Nicol. 1826. (2), 50 pp. 4°.
From the Philosophical trans. of the Royal soc. of Lond. [**E.172.1. 1826. Pt. 2,]