Like JH, Smyths have been suffering bronchial problems. Urges JH not to give up [see JH's 1861-1-29] plan of JH writing a review on terrestrial magnetisim.
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Like JH, Smyths have been suffering bronchial problems. Urges JH not to give up [see JH's 1861-1-29] plan of JH writing a review on terrestrial magnetisim.
Sends letter regarding meteorology from the Smithsonian to JH. Pleased with magnetic work of [A. D.] Bache at Girard College.
Certain the Colonial Secretary [Duke of Newcastle] would write to governor of Malta on behalf of [William] Lassell.
Encloses letter from [W. P.] Wilson of Melbourne and ES's response for JH's perusal. Discusses [Warren] de La Rue's work on solar photography.
Requests JH sign certificate for [W. F.] Hook. Asks JH to forward it to William Whewell for his signature.
A metallic thermometer will be constructed at Kew Observatory to test JH's proposal. Experiments on Index of Friction of gases to be resumed at Kew.