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Has received payment from [John] Murray [for review of Mary Somerville's Mechanism of the Heavens ?]. Cannot answer Mrs. Somerville's question about poles of maximum cold.
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Sends on a copy of JH's orbital elements for Gamma Virginis.
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Thanks EC's for EC's observations made with EC's excellent telescope. Discusses Eta Coronae, Gamma Virginis, EC's drawing of M51, and whether Orion changes, stating that JH is 'no believer in rapid changes in Nebulae yet there may be changes....'
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Has taken some time to consider the climate at the Cape in response to JH's request. Gives details of the climate, suitability of site for observatory, and general conditions at the Cape. There is a reasonable library at Cape Town.
Thanks for his last letter. Assures him he has no bitter feelings over the spirit of David Brewster after his disappointment of the election. May make any use he wishes of his actinometer results. Intends going over to France in a month's time, but is very busy at the present time.
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Observations on the work of S. D. Poisson and P. G. le D. Pontecoulant. Is JH's 20-ft. telescope any use for measuring angles and distances? Discussion of solar spots.
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Description of the months at Tierra del Fuego. His first sight of the primitive Fuegians. Geological and zoological observations and specimens.
The Falklands: geological and zoological observations.
Convinced the [Megatherium] sent to Royal College of Physicians [by Woodbine Parish] belongs to same formation as bones he sent home.
Thanks for her communication on her nephew's new calculations for Alpha Virginis. Comments on these and gives some of his own. Sends best wishes to her nephew on his projected visit {to the Cape] and hopes he will study the magnetic force of the earth while he is there.
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