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.
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].
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.
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.
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.
Arrangements for R.S.L. annual banquet. Lord High Admiral may attend.
Reports on discussion in Astronomical Society council whether to favor JH's recommendation of a new nomenclature regarding the angular positions of double stars, or to support JS's preference for William Herschel's method. Other activities concerning the Astronomical Society.
Returns the Edinburgh Review. Has written to the Morning Chronicle regarding G. B. Rodney's (1st Baron Rodney) naval maneuver. Sends three pamphlets.
Received Thomas Young's portrait. Will send summary to Hudson Gurney soon. Suggests correction in proposed title.
F. G. W. Struve will arrive in July. Before HK and wife leave for Continent next week, please leave directions how Struve may obtain Struve's scale.
Is defending a change in notation for the angles of position system that JH introduced in a paper. [Postscript dated 1830-7-7 marked 'Private' and deals with business relating to the Athenaeum and a comment on Charles Babbage's book.]
Does he want a scale ordered form George Dollond for Wilhelm Struve? Will not be in London when Struve arrives. Has written a paper on the Standards for the R.S.L. and will send JH a copy when printed. Comments on the comparison of Standards.
His brother-in-law, Moses Montefiore, desires to become a member of the Athenaeum and he would be grateful for JH's assistance in this matter.
No summary available.
Will bring her manuscript [Mechanism of the Heavens]. Apologizes for holding it so long. Critiques various passages concerning permanent rotation and equations of stability. Sends condolences on Dr. Somerville's loss.