No summary available.
No summary available.
No summary available.
Is grateful for the news of his election to the Astronomical Society.
Sends one of his own memoirs, which he would like JH to compare with other theories on the same subject.
Introducing William Whewell, who will be visiting Paris.
Sending Part XI of his own Mécanique céleste. Comments on this work.
Sending the fourth volume of his own Mécanique céleste; comments on various parts. Work is being done on the figure of the earth.
Has too long delayed thanking him for his works. Sends some memoirs of Edward Sabine, etc. Comments on work that needs doing.
Sends the last volume of his Mécanique céleste for the R.S.L. Comments on his various activities. Is grateful for the memoirs JH sent.
Advises PL that he has been elected an associate of the Astronomical Society.
Please forward enclosed papers.
Sends paper.
Letter of introduction to Mr. Robison, son of Edinburgh professor. Thanks PL for sending JH books 11 and 12 of LP's Mécanique céleste. Hopes to see PL's 'perturbations of Ceres and [J. F.] Encke's Comet.' JH's and James South's work on double stars verified views PL once held. Hopes François Arago will publish observations of double stars.
Henry Kater's triangulation survey of north Scotland. Edward Sabine's study of pendulum lengths at various latitudes. François Arago did not receive letters from JH and Francis Baily. Comments on rumor of [Isaac] Newton's madness. JH plans to reduce transit observations of fixed stars at Greenwich since [James] Bradley's time. Are French and other astronomers in agreement on common system of reductions? Will visit Paris next month. Observed curious phenomena in voltaic electricity.