JH's second note has prevented him writing to [William?] Nicol. Question of communication must rest with John Barlow and S. H. Christie. Sends a note on the extraction of silver. J. G. Children has a method for the South American Bubble companies. Will have a long paper on electro-chemical phenomena connected with copper sheathing.

Let meeting be on Saturday. May visit glass house on the way to Greenwich. Has sent W. T. Brande's paper to the R.S.L. Has JH tried magnetic effects on resin and sulfur?

Hopes to see R. S. Dundas (2nd Viscount Melville) before the next meeting of Council. Approves of JH's views. Everard Home's paper will be read this evening; hopes JH's paper on parallax will follow.

Is still confined to his room so would JH look over the enclosed papers for mistakes. Hopes Council will consider the position of James Hudson.

Will have great pleasure in going down on Sunday and will take his carriage. Hopes Mr. Carter will be in the party.

Waited to see W. H. Wollaston who wishes to be called Honorary Commissioner of Longitude. Hopes to see him tomorrow.

Introducing an uncle-in-law who is residing at the Cape for health reasons. Normally lives at Madras and may prove useful to JH should he visit Madras.

Sending various tracts and a miscellaneous collection of lives. Would he look at the life of William Herschel and make any alterations or corrections as he sees fit.

Sending an algebraic problem and its solution.

Pointing out an error in one of JH's definitions in the treatise on sound.

Saw W. S. Stratford yesterday. Has everything ready. Richard Sheepshanks will assist with the pendulums. If he wants more on the interest works, write and he will send a complete list.

Regarding a citation for J. W. Lubbock's award.

Regarding the task of sorting his books. All W. H. Smyth's daughters are married; wait until the last one of JH's is married. Has had a letter from W. R. Hamilton. Heat has been dreadful.

Regarding JH's new theory of perspective.

Regarding a proof of L. A. J. Quetelet and the proposition that arises from it. Wife is nursing her mother.

Anne Sheepshanks would like JH's copy of Richard Sheepshanks's pamphlet in answer to James South and Charles Babbage, to bind with other things and return it to JH.

Did the German edition of William Herschel's works ever materialize? Was Francis Baily's Synopsis of Laplace's Principal elements of Astronomy published? Gives a query regarding the possibility of the latter.

Sending some tracts which JH does not possess. Elizabeth Baily is rather better, though still weak.

What does he think of [Joseph] Liouville's journal in which 13 of the 14 communications are by the editor? Sends another riddle.

Sends a sonnet to express thanks for one of JH's books. Regarding an answer to S. J. Loyd (1st Baron Overstone). Mr. Vaughan and the question of gold.