Encloses graph of C. F. Gauss's magnetic observations.
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Encloses graph of C. F. Gauss's magnetic observations.
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.
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.
Sends suggestions for recipient of R.A.S. medal and comments on JH's 1839-11-29.