From:
Sir John Herschel
To:
Giovanni Antonio Plana
Date:
[14 January 1825]
Source of text:
RS:HS 13.413 (C (inc): RS:HS 20.195)
Summary:
Apologizes for delay in writing. Describes JH's travels across Europe back to England. Is sending GP copies of JH's papers in physics, mathematics, and astronomy, especially double stars. Describes a new instrument, a floating collimator, described by Henry Kater at the R.S.L. [Rough notes for a later letter on the back of part of this one.]
Contributor:
John Herschel Project