Encloses letter from [W. P.] Wilson of Melbourne and ES's response for JH's perusal. Discusses [Warren] de La Rue's work on solar photography.
Showing 81–100 of 139 items
Encloses letter from [W. P.] Wilson of Melbourne and ES's response for JH's perusal. Discusses [Warren] de La Rue's work on solar photography.
Requests JH sign certificate for [W. F.] Hook. Asks JH to forward it to William Whewell for his signature.
Has signed certificate for [W. F.] Hook. [See ES 1861-12-5] Congratulates ES [on presidency of R.S.L.]. JH on B.A.A.S. balloon committee. Proposes design for metallic thermometer.
Pleased ES and [Balfour?] Stewart like plan for metallic thermometer. Suggests way to obviate effect of pendulous movement of the suspended weight.
Wants suggestions as to whom R.S.L. should award medals.
Tells who received R.S.L. medals. Discusses possibility that [Henri] Regnault's recent work deserves Copley Medal. Wants JH's opinions. JH's letter concerning Melbourne telescope was sent to Lord Rosse.
Lord Rosse agrees with JH regarding Melbourne telescope. His only objection to proposed increase in size is because of the added expense.
Sends [William] Lassell's reply and JH's own letter regarding telescope at Melbourne for review. All will be forwarded to Lord Rosse. Also sends lithograph.
Discusses proposed Melbourne telescope, including [William] Lassell's proposed mounting and its implications for observing nebulae.
Discusses proposed Melbourne telescope, opinions of various scientists, and projected costs of construction.
Sends [William] Lassell's letter regarding Melbourne telescope. Pleased with scientific memoirs received from Harvard College.
Wrote to [A.] Sawitsch regarding Russian pendulum experiments. Encloses Sawitsch's reply. Discusses experimental possibilities.
Agrees that the pendulum should be observed at major Indian stations because Russians did not avail themselves of offered vacuum apparatus and pendulums.
Sends [Warren] de La Rue's letter on Southern[?] Telescope for JH's review. Swedish Academy working on reviving project of measuring arc of meridian.
Returns [Warren] de La Rue's letter and discusses its contents, especially the making, mounting, and mirror for de La Rue's reflecting telescope.
Expresses interest in Swedish plan to survey Spitzbergen and to measure meridian of arc. Discusses gravitometer being developed by [Jacques] Babinet.
R.S.L. Council has decided to publish correspondence regarding the Melbourne telescope. Sends early pages for JH's corrections.
R.S.L. Club locale changed to St. James's Hotel. Wants JH's advice on two papers ES is writing on results from Kew Observatory.
Accepts invitation to dine with ES. Working on sixth edition of Outlines Astr. Has sent argument against converting to metric system to Leeds.
JH to read his paper on nebulae Thursday, 19 Nov. Dinner will be at St. James's Hotel.