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Last letter to JH was private [see GA's 1845-4-1].
Gives detailed, official, replies to the questions in the magnetic committee circular [see JH's 1844-12-5].
Illegible.
Has been appointed keeper of Mining records at the Museum of Economic Geology. Hopes to meet him personally and thank him for his assistance.
The continuation of magnetic and meteorological observatories is under question, and CW's instrument for observing atmospheric electricity should be part of the discussion.
Makes some amendments in JH's request for information [see JH's 1845-4-6].
The President was requested to write to the East India Company about the observatories. Continuance of the magnetic observations at Greenwich was referred to the Committee of Physics. Cannot find where Nicolas Clement-Desormes's observations are published. Has been studying the wet bulb problem. Capt. Herbert has denounced the article on hygrometry in Brewster's Encyclopaedia.