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?
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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?
Further observations on the alterations at Cape Town Observatory. Any news of the measuring bars?
Thomas Maclear's assistant and equipment arranged. Observations on copper horse-shoe bars applied to the end of his magnet.
Knows nothing about Kew Observatory, but has heard of the name of the present office holder there.
Has sent to JH papers relating to London University. Hopes JH will accept a senatorship.
Has lost two sons with scarlet fever. Description of house at Playford, Sussex.
Regarding C. F. Gauss's magnetical observations. Domestic happenings.
George Everest-Thomas Jervis affair.
George Everest-Thomas Jervis affair. Observations on the production of color by chemical rays.
Concerning JH's experiments with photogenic light. Encloses paper of the comparisons between JH's and the Observatory's barometers. R.A.S. and R.S.L. want a subject for medals in astronomy, R.S.L. for a Copley medal in anything.
Double image micrometer has arrived; limitations and use of it. Wants list of stars for regular observations.
More about arrangements with R. A. Cauchoix and the telescope for Cambridge Observatory; JH also comments on the state of his nebula work.
Has been asked to serve on a Standards Commission, to reestablish standards destroyed by the fire in the Houses of Parliament [1834]; is willing to serve.
Comments on the work of the Standards Commission, hoping that it will move quickly to a conclusion [see GA's 1838-11-14].
Replies to GA's request for meeting dates [see GA's 1838-11-14], and suggests ways to shorten the work of the commission [see JH's 1838-11-16].
Agrees to GA's suggested dates [see GA's 1838-11-20]; comments on several approaches to defining a standard of weight.
Describes the tests and adjustments JH has recommended to Thomas Maclear to try to remove anomalies from the functioning of the transit circle at the Royal Observatory, Cape of Good Hope; also comments on the beauty of some southern nebulae.
Congratulates GA on being honored by H. M. Government [GA was offered a knighthood, which he declined], and of being appointed Astronomer Royal, and further tells GA about some of JH's observations, and the instruments in use [letter finished 11 Oct.].
Thanks GA for all his efforts on Thomas Maclear's behalf [see GA's 1839-2-25]; comments on some developments in photography, including the work of Nicephore Niepce done in approximately 1826.
Sympathizes with GA in the family sorrow [deaths of GA's sons Arthur and George]; JH complains that house hunting, and other matters, are keeping him from important work.