No summary available.
No summary available.
Found his letter acknowledging the gift of his book awaiting him on his return from the continent. Reasons why he wrote the book. Has had letter from William Whewell. Hears that JH's health has not been good.
Pleased to hear that JH was engaged on his old pursuits. Is grateful for pointing out his mistake. Regarding meteorological registration by means of photography.
Thinks it may be a good idea to utilize aluminium to coat the speculum of reflecting telescopes. Is shortly to take command of iron works and furnaces and hopes to carry out experiments to produce barytic glass.
Has received news of a cargo of cryolite from Greenland. Outlines the various possibilities of using it for the manufacture of chemicals and glass. Sends his method of manufacturing aluminium.
Will give him great pleasure to call at Collingwood in the near future. Grieved to hear of JH's illness. Begs acceptance of a set of papers of Dr. William Griffith.
Sends another pamphlet on the gold question. On the last page he will find JM has adopted JH's suggestion, though he does not give the source. Thinks that these suggestions should prove useful to France.
Sends some photographs with comments. Pleased to hear JH is in much better health. Received a circular from U. J. J. Leverrier requesting meteorological information. Sends meteorological observations made at the Observatory during the last fourteen years.
Recently came across some instructions JH had drawn up for persons who are color blind. Sends a note explaining the work of William Pole on this same subject. Has left the manufactory at Ipswich.
Forwards the draft of the words of the Memorial to be presented to Her Majesty. Nonmembers of the League have signed. On receipt of JH's reply will forward the written headings for JH's signature.
Encourages JH to contest Cambridge University seat in Parliament, following death of Henry Goulburn.
Writes to clarify his understanding of the word 'fluorescence.' Asks JH to review a paper on color-blindness.
Further thoughts [see GS's 1856-6-27] on the nature of fluorescence, including that it is a transient phosphorescence.
Continues comments on fluorescence from letter of 1856-7-8; then shows mathematically that JH's solution for the problem of Mahomet's coffin [see GS's 1856-7-1] will not work.
Comments on one of the magnetism experiments JH described in his letter of 1856-7-14.
Where in JH's evidence to Parliamentary Decimal Commission did JH give number of coins that require recoinage?
TS will be chairman of Decimal Coinage commission. Do majority of bankers queried by JH favor this decimal system? Death of William Whewell's wife, Cordelia, sister-in-law of TS.
Writes on behalf of the Lords of the Admiralty to thank JH for his suggestions relating to C. P. Smyth's trip to the peak of Teneriffe.
Note asking JH to patronize an artist's exhibition in London.
Thanks JH for his note. States R.S.L. is sending his paper to JH as a referee. Gives details of his own case of di-chromic vision.