From:
Edward Sabine
To:
Sir John Herschel
Date:
[18 December 1860]
Source of text:
TxU:H/M-0527.7; Reel 1093
Summary:
Sends sample sheets of magnetic reductions from continual observations photographed at Kew. Explains reduction formulas. Will send to JH new paper by ES on lunar diurnal variation. Carlo Matteucci reports interest by new government in Naples in reviving meteorological observatory there.
Contributor:
John Herschel Project