Glad to have seen Lady Herschel and children. Is recovering slowly. Thanks JH for interest in [Francis] Ronalds's work. Discusses paper ES has submitted for R.S.P.T.
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Glad to have seen Lady Herschel and children. Is recovering slowly. Thanks JH for interest in [Francis] Ronalds's work. Discusses paper ES has submitted for R.S.P.T.
Discusses shipping some of JH's books, with a shipment of other books for the Royal Society, to the R.S.L. in order to save shipping charges.
Glad JH received gelatine paper. Discusses magnetic experiments at Toronto and Hobarton. Discusses R.S.L. committees and preparation of instruments for Arctic expedition.
Hypothesizes that annual variation of Dip and Total Force at Toronto may be caused by greater proximity of earth and sun. Discusses annual variations.
Proposes date for next and perhaps final R.S.L. government grant committee meeting. Wishes there were more funding. Predicts results of meeting. Updates on ES's health.
Encloses letters pertaining to committee decision, proposed by G. B. Airy and regarding which JH wrote a letter, to grant aid to Armagh Observations.
Received series of actinometer observations from [Joseph] Dayman aboard Rattlesnake. JH's trip to Continent. Completion of Francis Ronalds's magnetographs. Improved access to Kew Observatory by railway. Next committee meeting. Bakerian lecture by Michael Faraday.
Wants advice regarding recalculation of magnetic lines using [C. F.] Gauss's method and new numerical data. This will be a provisional calculation.
Saw [J. B.] Listing, who may see JH soon. Sends volume of Cape magnetic observations. Thermometer at Kew is a great success. New thermometers compare favorably with [Henri] Regnault's.
Read JH's Admiralty Manual meteorology article. Disagrees with statement regarding barometer and pressure of dry atmosphere. Discusses atmosphere and barometer at some length.
Suggests postponing meeting of Wintringham Bequest Committee. Will bring up [Edward] Cooper's letter about comet memoir at next council meeting. Has worked out cost reductions for printing of R.S.P.T.
Discusses regulations of bequest, which will benefit chemistry and physics. Discusses relationship between solar spot period and magnetic disturbances. Wants JH's comments on paper regarding this topic.
Believes similarity of period of solar spots and that of terrestrial magnetic variation is more than coincidental.
Discusses magnetic observations from Toronto and Hobarton from the 1840s. Attempting to determine when range of variation was greatest.
Hopes JH will present application of Kew Committee for financial aid at next council meeting. Includes suggestions for maximizing credibility of application.
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