No. 12 in *#E.191.6 Herschel, Sir John Frederick William, bart.
Account of a series of observations the difference of the meridisns o tories 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. 26]
for determining f the observa-=
- Longitude.