Sets out JH's preferences with regard to developing a system of reductions of astronomical observations that could then be easily applied.
Sets out JH's preferences with regard to developing a system of reductions of astronomical observations that could then be easily applied.
Sends new translation of [P. S. Laplace's] Mécanique céleste. Says her revision [of MS's Mechanism of the Heavens] has been effective. Still doubts the derivation of the fundamental equation. Discusses force, resistance, and reaction with regard to this equation.
Asks help in summarizing scientific labors of her late husband, Thomas Young, for memoir by Hudson Gurney. [Addressed to 'William Herschale, Esqr.']
Hopes to meet JH and [James] South in summer. Announces emperor's decision to support measurement of the 3.5° latitude meridian throughout the entire Russian empire. WS is responsible for directing work in the north. Emphasizes the importance of maintaining correct linear standards uniform with both France and England. Requests a copy of the English standard so as to compare it with the Russian measurements of degrees.
JH agrees to assist Hudson Gurney in writing biography of Thomas Young. Please send catalogue of Young's works. Ask Hudson Gurney to write JH.
Plan for the comparison of the strengths of variously sized telescopes.
Reports circumstances surrounding death of a Mr. Beckwith, for whom JH serves as an executor.
No summary available.
Sending a letter he has received, and would like JH's opinion on it [probably about his telescope; see P. Barlow's 1830-3-14].
Regarding his forthcoming pamphlet and his attitudes to scientific societies. Sent him the wrong page of 'Sound.' Has just returned from Leicestershire. David Brewster sent a problem.
Suggests Peter Barlow should test his telescope by carrying out a series of observations.
Thanks for his letter, which had been forwarded to his old address. Is pleased he intends working on double stars, though 70 Ophiuchi may prove difficult. Will send some of his own readings for double stars. Like him, he is astonished at the acrimony of the attack on Thomas Young and the Nautical Almanac.
No summary available.
On behalf of [J. F.] Encke, asks that Greenwich observations be given to library of Berlin Observatory.
Outlining his scheme for the comparison of the strengths of various telescopes, which JH seems to have misunderstood.
No summary available.
Regarding his projected biography of Dr. Thomas Young. His own book on the decline of science is in the press. Regarding the life and manners of Dr. Young.
No summary available.
Mrs. Somerville cannot decide what to call her book [Mechanism of the Heavens]. Please advise so publishing can commence.
Is sorry to note the tone of CB's last letter concerning his projected biography of Dr. Thomas Young, but he means to carry out his project. Edward Sabine received £1000 from the Board of Longitude.