Is grateful for the interest he takes in her son and for his letter. Comments on the German war. Has a house full of visitors. It has been very cold and they have been without water.
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Is grateful for the interest he takes in her son and for his letter. Comments on the German war. Has a house full of visitors. It has been very cold and they have been without water.
Sends an abstract of his research entitled 'The Effects of Tide on Planetary Motion.'
Has sent a work on the metric system in France, which includes JH's own valuable lecture.
Sending a long letter proving one of JH's theories regarding the sun and confirmation of one of William Herschel's observations concerning Saturn.
Thanks for JH's remarks on his own 'What is matter'; comments on these. Also regarding JH's theory of the sun's repulsive force and William Herschel's observations on the strange shape of Saturn.
Will mention JH's subject for investigation to Sir William Thomson. Is busy with Committee on Ships of War.
Is grateful for his comments on his own paper on vision. Would he refer him to the work by Mr. Chopal on lens.
Has sent JH a copy of his new book [The Sun].
Replying to JH's letter of 24 Jan. 1871. Thanking him for his suggestions. Has not seen JH's Cape Observations. Has seen report of R. W. Bunsen's experiments. Comments on these experiments.
Would like his views on the correct definition of a billion, to settle an argument.
Queries regarding the red glow seen during an eclipse of the sun.
Raises objections to JH's theory of the solar corona. Discusses possible existence of extensive meteoric dust in the solar system. Requests permission to dedicate a book on sidereal astronomy to JH. Asks JH whether his father in later years always used a front focus for his large telescopes and whether he saw the supposed four additional Uranian satellites with his 40-foot reflector.
Discusses JH's response to his comments on JH's theory of the solar corona. Discusses great difficulty of writing his planned book on sidereal astronomy.
Forgot to call his attention to the column regarding the Julian period in the Nautical Almanac. Something strange about the neighborhood of R. Leporis. He has no doubt seen the table of Julian dates in the Connaissance des temps.
Has notified J. C. Poggendorf of JH's notes on calorimeters. Discussion of Michael Faraday's indebtedness to JH's Prelim. Discourse.
B.A.A.S. has announced its intention of giving up Kew Observatory. What does he think of the possibility of the R.S.L. taking it over for Magnetic Observations? Sends a copy of the Kew report, also a copy of a letter from [Balfour] Stewart.
Turned JH's mineral specimen over to N. S. Maskelyne. Poor health of GW's wife.
Is glad he is pleased with the work of Balfour Stewart and himself. Has applied to R.S.L. for a further grant to carry on the observations and computations for another year. Intends to finance the last year himself. Since the death of his brother he has returned to business.
His colleague, [G. R.] Waterhouse, has passed an inquiry from JH to NM regarding a mineralogical character. It is a specimen of Obsidian, very high in iron content.
Encloses photographs taken of the last eclipse. Draws his attention to certain aspects of the eclipse.