Has received the R.S.P.T. Also comments on several chemical matters, including isomorphism and crystallization.
Has received the R.S.P.T. Also comments on several chemical matters, including isomorphism and crystallization.
Announces second volume of translation of JH's Light is out in Paris. Is sending a copy. Work progresses slowly. Problems because of revolution. AQ's collaborator [P. F.] Verhulst is very ill. Will leave for Italy soon. Discusses his previous trip to Germany. Saw [William] Whewell. Has received Astronomical Society's memoirs.
Reports on good health and behavior of JH's new daughter, Caroline Emilia Herschel. Comments on Greek music and on recent results of the R.S.L. Glass Committee.
No summary available.
Has read his book on the decline of science and thinks that the book may do some good. Comments on various parts, and outlines things that could happen as the result. Has replied to Encke's letter about Ephemeris.
Is reluctant to sign any certificates for memberships in the R.S.L. just now [does not explain reason].
No summary available.
Wants JH's views on a 20-foot reflector. Inviting him to Cambridge. With this letter he encloses Volume 2 of the Cambridge Observatory's Observations and Lectures in Optics.
Thanks TH for some crystals, including borax, as well as a paper by J. J. Lister. JH has been cutting the borax crystals preparatory to grinding and polishing them; JH has used these crystals to observe a phenomenon previously seen with a mass of niter.
Sending a paper by J. J. Lister on the microscope and some crystals of Borate of Soda. Carlo Gemmellaro has been examining temperature of air in the subterranean passage near Nicolosi. Hopes JH will visit Tottenham; would give him great pleasure to see him.
No summary available.
About the prices of telescope mirrors, and specifically the one of T. J. Hussey; recommends use of certain stars to test the optical quality of the mirror.
No summary available.
No summary available.
Thanks WS for excerpt from Niccolo Cacciatore's letter; comments on the awarding of medals for merit, and points out some necessary conditions which must be considered if the observations of the satellites of Jupiter are to be used in determining the constant of aberration.
Glad WDF will visit him in Shrewsbury.
Hope visited CD; he and T. C. Eyton want CD to join them on an entomological trip to N. Wales; can WDF come?
William Yarrell has discovered a new wild swan in England; CD has had bad specimen of it stuffed for WDF.
Adds brief news of friends.
Arrangements for R.S.L. annual banquet. Lord High Admiral may attend.