Agrees to allow Lord Oxmantown [Laurence Parsons] to add JH's remarks to Lord Oxmantown's paper.
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Agrees to allow Lord Oxmantown [Laurence Parsons] to add JH's remarks to Lord Oxmantown's paper.
Describes problem with spectral lines in telescope while trying to understand William Huggins's results.
Acknowledges receipt of paper on nebulae.
Comments on impossibility of increasing the intrinsic illumination of a source with a telescope; how to obtain the spectrum of red flames of the sun.
Believes that expensive telescope wanted by William Huggins is unnecessary for the intended purposes [see GS's 1867-5-3]; JH offers a telescope of his own to R.S.L.
Agrees reluctantly to write obituary notice of William Whewell; wishes he had been asked earlier.
Comments on the time needed by JH's son [John] to perform observations requested by R.S.L.; thanks for list of tutors [see GS's 1867-5-13].
Note accompanying JH's obituary notice of William Whewell.
Asks GS to explain to R.S.L. Council why JH's son John cannot appear at a meeting of the Council, as he is due to sail for India.
Does not know if equipment from R.S.L. reached JH's son John at Southampton [see GS's 1867-11-18].
On a correction to a report [JH's obituary on William Whewell].
Preparing for total eclipse of sun in 1868. Conferred with William Huggins about making spectroscopic analysis of red protuberances. Asks JH's opinion.
Will not apply to government for money to purchase telescope for observing [1868] eclipse. William Huggins believes that larger telescope is needed. Would JH's son [John] make these observations [for R.S.L.]?
Asks JH's opinion on matter of purchase of expensive telescope for solar eclipse (1868) and other observations by William Huggins.
Sends list of tutors at Trinity College contemporary with William Whewell; comments on telescope needed for eclipse viewing.
About some instruments to be taken to India by JH's son John.