Thanks for sending his book on the Correspondence of James Watt. Hopes to give it the attention it deserves, but meanwhile comments on the water controversy of Henry Cavendish, Joseph Priestley, and James Watt.
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Thanks for sending his book on the Correspondence of James Watt. Hopes to give it the attention it deserves, but meanwhile comments on the water controversy of Henry Cavendish, Joseph Priestley, and James Watt.
Plans to send parcel to observatory at Cape of Good Hope; does JH have anything to include?
In response to a request, JH is not willing to part with any letters from his father, William, but will send one of William Herschel's notes to his sister, Caroline.
Glad JH is writing the meteorology. Collecting materials for charts of ocean. Forwards some of this to JH for comments.
Notes that actinometer observations prove faulty due to problem with instruments. Asks that WS notify Indian observatories to join others in terminating such observations until JH finds method of getting around problem.
Sympathizes with JH's feelings of regret over actinometer readings. Has procured a new thermometer and carried out experiments toward correction of actinometers.
The books are on their way [see GA's 1847-3-30].
Believes all actinometric measurements made are useless because they did not take into account the rate of expansion of the liquid, which is not constant.
Asks WS to take the chair at the next meeting of the R.A.S [probably concerning the Adams-Leverrier dispute].
Asks WS if possible to enclose a note by Francis Beaufort to John Russell concerning request for pension for Thomas Maclear. Lays aside double star observations; continues work on orbit equation.
W. S. Jacob sends Alpha Centauri observations to R.A.S.; uses JH's Cape Results as a guide to double stars.
Plans to write John Russell in an effort to secure a pension for Thomas Maclear; asks for R.A.S. and WS's support. Asks WS to obtain some facts relevant to pension request.
Proposal of giving medals to both J. C. Adams and U. J. J. Leverrier by William Whewell turned down by R.A.S.
Regarding pamphlets concerning F. W. Bessel. Altitude instrument finished.
Giving details of Thatcham Church and of the tablet, which is to be erected in memory of Francis Baily. Sculptor will be sending proof of the inscription.
Thanks for AD's paper on probability of arguments and on the syllogism.
George III defrayed all costs (£4000) for William Herschel's 40-feet reflecting telescope. JH began dismantling it in Dec. 1839. Lenses and equipment are in storage. Tube's internal structure of corrugated iron and framework's diagonal bracing were originated by WH.
Believes he has succeeded in integrating elliptic and hyperbolic functions in finite terms, and sends a paper in which this is discussed.
Regrets he was unable to see JH when in town last week. Outlines the scheme for a new club.
Thanks for his note. Is writing to remove any misconceptions JH may have about the proposed new club. Michael Faraday will be joining on condition that there will be no dinners.