JH must have read William Whewell's History of the Inductive Sciences. John Murray thinks JH's opinion of this work would form a valuable article for the Quarterly Review.

Regarding the printing of Thomas Maclear's Survey papers. Work on magnetical and meteorological observations.

At direction of J. W. Lubbock, encloses letter addressed to William Lamb (Lord Melbourne) by R.S.L. president [Spencer Compton] [regarding magnetic observatory].

Arrived in England two days ago after a tedious voyage. Would like to visit JH. Off to Scotland next week. Called at the Colonial Office and had a friendly reception. G. T. Napier's dispatch has been received.

Drawing attention to his prediction of the storms of 1838 and 1839.

Sends JH a copy of extracts from unpublished papers on the question of standards, and asks for JH's comments on these extracts.

Copies of report are available if JH's friends on Board [of Visitors] want to see it. R.S.L. selected GA's polarity paper for Bakerian Lectures. Thanks for JH's influence.

Sending a heliographic portrait taken from life. Comments on his methods.

Requests the views of JH, and all other Standards Commission members, on the various subjects before the Commission; GA will compile these and circulate them to all Commission members to expedite discussions at future meetings.

Magnetic observations have been made regularly for a year and a half at the college at Cambridge by W. C. Bond. After JH's letter another set of instruments has been obtained to make another series of observations. Money from Hugh Smithson has been loaned to Arkansas. Comments on red auroral light seen. With the more frequent steamship service now hopes for quicker communications from JH.

Sending check and a note from the editor of the Quarterly Review.

Has received his letter from the Cape acknowledging his book. Is about to travel to the eastern coast of Africa and would be pleased to do anything for JH if he requires it in that direction. Is leaving England by the end of the month.

Is grateful for the suggested emendations to his paper. Comments on the action of iodine on silver and its oxide. When can he expect publication of his paper? Has noted a peculiar property in the calorific rays when copying engravings. Encloses some Daguerreotype papers.

Asks for JH's help in trying to determine the likely cost of making magnetic observations at Greenwich.

The Royal Observatory wants to make magnetic observations at Greenwich, and it appears will need to make some building alterations. Estimates are required immediately by the Admiralty/Treasury, and GA seeks JH's assistance.

Have deposited the title deeds for the Hawkhurst estate, and also the lease to Mr. Grover in a tin box lodged with Messrs. Drummond.

Statement describing 'The conduct of Sir G. Napier in relation to Sir Andreas Stockenström and his former office as Lieutenant Governor.'

Thanks for JH's letters and the paper on photography with special reference to the effects of heat. Was present at the R.S.L. during consideration of a national observatory. Would like JH's opinion. Is working on a supplementary report on meteorology.

Thanks JH for his help [see JH's 1840-8-14], and tells JH about a visit to Greenwich by Charles Wheatstone.

Regarding equipment at Royal Observatory. Comparison of planets.