Too ill to attend the South African Institution meeting; asks JH to turn in the packet containing TM's and JH's meteorological observations.
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Too ill to attend the South African Institution meeting; asks JH to turn in the packet containing TM's and JH's meteorological observations.
Describing JH's observations and comparing notes.
Commiserating on CB's calamity.
Responds to TM's query in his 1835-1-17 about the effect that motion of the center of the mural circle would have on the microscopic readings.
Suggests a means of resolving TM's problem with the mural circle.
Additional approaches to resolving TM's mural circle problem [see JH's 1835-2-5].
Discusses tidal observations made at the Cape and a paper by WW on tides. Praises viewing conditions at the Cape. Describes political struggles at the Cape.
Describes the tests and adjustments JH has recommended to Thomas Maclear to try to remove anomalies from the functioning of the transit circle at the Royal Observatory, Cape of Good Hope; also comments on the beauty of some southern nebulae.
JH describes his sweeps of Scorpio. Writes that the Milky Way is 'extremely curious and interesting.' Has collected a large catalog of southern nebulae, many never before detected. JH's search for Halley's Comet has been unsuccessful thus far.
More on the mural circle [see JH's 1835-2-7].
Reports erecting his telescopes at the Cape and on his observations, especially of double stars, during his first year there.
Describes JH's location at the Cape and his observational sweeps, lists nebulae and double stars, as well as comet and eclipse observations. [Letter finished on 1835-3-5.]
Found two planetary nebulae not listed in any catalog; hopes to show them to JH tonight.
Apologizes for his erroneous reduction. Thanks TM for his list of 'Zenith points.'
After returning to Britain, please deliver the annexed letter to her brother-in-law, Roderick I. Murchison.
Describes various geological aspects of the Cape area and mentions JH's astronomical work. Regrets that RM's brother is leaving the Cape.
Reports on location of a planetary nebula. Expresses thanks for book by [Robert] Woodhouse.
This letter is being delivered by a Capt. William Edie of the 98th, recently returned from Andrew Smith's expedition up the Caledon River, in the Orange Free State.
Sent as a letter of introduction for Captain [William] Edie, who was hurt on an expedition in southeastern Africa, and who knows much about the region.
Comments on importance of 'geographical observatories' like JL's as complementary to astronomical observatories, and outlines their chief objects of enquiry. Suggests that JL have observational results examined and published, and recommends taking many hourly observations.