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.
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.
No summary available.
No summary available.
Read JH's Admiralty Manual meteorology article. Disagrees with statement regarding barometer and pressure of dry atmosphere. Discusses atmosphere and barometer at some length.
Remarks on a correction in manual regarding some fluctuation of heating and cooling.
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Disagreement with W. H. Sykes over whether to publish observations by General [Cullen?] that Sykes claims have never been reviewed or read [to R.S.L.]. Encloses copy of JH's reply to Sykes.
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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.
No summary available.
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.
No summary available.
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.