Sends spectra obtained by Ioduret of potassium. Gives details of his latest photographic experiments.
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Sends spectra obtained by Ioduret of potassium. Gives details of his latest photographic experiments.
Regrets that the article was received too late to appear in the current number. Will send a proof in a day or so. Would like to print some illustrations for JH's articles.
Thanks for some verses; comments on the current state of Indian religious society.
Requests information about specula for telescopes, especially silvered glass ones.
Congratulates AD on a successful move to a new house.
Received JH's 'Remarks on Colour-Blindness' [1859]. Describes lack of success in urging Army, Navy surgeons to continue GW's investigations. Comments on statistical distribution of color-blindness, hereditary factors, and safety implications for military and railroads. Reports specific cases among contemporaries. Asks JH's advice on seeking assistance from B.A.A.S.
Returns proof for JH's ['On a New Projection of the Sphere']. Requests 25 copies when printed.
Writes about the activities of several family members, and then comments on the location of a railway extension, which will come closer to Collingwood.
Talks about the beauty of the flowers at Collingwood, and then comments on his Essays Q.E.R.
Recounts experiments JH conducted on the action of the solar spectrum on various silver salts. Explains how JH produced his solar spectrum.
Has been working on the rotation of colored discs. Would be pleased to show him some of the novel effects. Is surgeon to the local Grammar School.
Proposes to be at Collingwood on Tuesday next. Intends coming early so as to be able to carry out his experiments by daylight.
Hopes to be at Collingwood on Saturday at 2 o'clock.
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