Has sent the aneroid barometer to [Edward] Dent's, who will give it to the messenger when he calls.
Has sent the aneroid barometer to [Edward] Dent's, who will give it to the messenger when he calls.
No summary available.
Alexander von Humboldt requests that JH answer questions about 'coal sacks (plur.)' [Coal Sack of the Southern heavens].
No summary available.
No summary available.
No summary available.
Reports on the fossil cirripedes sent him; several are new, some are "elegant".
No summary available.
No summary available.
Forwards results of experiment on influence of solar light on the chemical action of oxygen. Asks JH to experiment further and to give CS his views on the subject.
No summary available.
Offers some information on 'Coal Sacks' in Southern Cross [see AH's 1850-7-31]. Happy to hear that volume 3 of Kosmos is near completion.
Death of WE's child. Will return to [Haileybury]. Encloses letter from [A. J.] Ellis. Let Ellis know if JH wants to see Ellis's works.
No summary available.
No summary available.
Has not completed description of NTW’s Loricula. Wants permission to have it figured by James de Carle Sowerby. Does NTW have other fossil cirripedes?
Gets copy of Cape Observations through ministry. May visit England to meet with JH and G. B. Airy. Sends observations of Biela's Comet.
No summary available.
Is grateful for his constructive letter on the Coal Sack. Regarding the work of the Schlaginweit brothers.
Has made a globe of J. H. Mädler's lunar observations. Would JH accept one as a gift; if so, how can he send it?