Advice on obtaining magnetical and meteorological apparatus for Van Diemen's Land observatory. Need to clear up finances.
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Advice on obtaining magnetical and meteorological apparatus for Van Diemen's Land observatory. Need to clear up finances.
Recounts a letter from William Rowan Hamilton, President of the Royal Irish Academy, commending CH on her service to astronomy.
Invites WW to Slough before JH travels to Midhurst [to consider property for sale].
Regarding Thomas Maclear's Cape Meridian.
Any news of Field Measuring bars—alteration in size of Observatory at Cape Town? Observations on use of magnetic needle. Has JH found a suitable country house yet?
Will bring CB's 'Engine' to Slough tomorrow, together with Dionysius Lardner's apparatus, which CB has 'taught to write.'
Has mentioned to Dr. T. R. Robinson their hopes of supplying the Cape Observatory with an equatorial telescope and theodolite. Encloses Robinson's comments. George Dollond would take two years to mount such a telescope. Curious paper in the Comptes rendus.
At the recent council meeting of the R.A.S., JH was nominated as president. Is returning the letters of F. W. Bessel.
Is honored by being nominated as president but would prefer someone else as he is very busy and can ill spare the time.
Regrets that he cannot change the mind of the council of the R.A.S. over its nomination of JH as president.
Observations of [Kensa?] received. The George Everest-Thomas Jervis affair.
Offering her services while JH is in Paris.
JH's experiments to find compounds suitable for photography. Accidental discovery of effect of 'nitrate of Silver.' Note of 22 Jan. from Francis Beaufort alerted JH to L. J. M. Daguerre's secret processes and W. H. F. Talbot's experiments.
Fourth observatory, at Van Diemen's Land [Tasmania], will be conducted by J. H. Kay, to be landed from one of vessels [Terror and Erebus] bound for Antarctica. This vessel will also carry observers and instruments for stations at St. Helena and Cape.
Recalls hospitality at Slough during EW's Eton days. Sets date to visit JH.
EW and wife plan trip to Eton soon to see sons. Hope to visit Herschels in Slough then. Despairs of Africa venture. Received details from JH's agent at the Cape of Good Hope.
Sends JL various roots from the Cape, including Satyriums and Disa. Describes each type in detail.
[Responding to WT's 1839-1-25], JH reports that he cannot come to London to see WT's 'curious process of fixing the image formed by a Camera obscura.' Invites WT to come to Slough.
[Responding to WT's 1839-1-29], urges WT to find some way of giving at least slightly different papers to R.S.L. and Athenaeum. Comments on process of fixing image, referring to a trial of his own.
Changes the date of an invitation to JH.