"Optics were not neglected. I have some correspondence with Brewster
and Faraday. On Mar. 5th I gave the Cambridge Philosophical Society a
Paper 'On a new Analyzer,' and on Mar. 19th one 'On Newton's Rings
between two substances of different refractive powers,' both Papers
satisfactory to myself.--On the death of Mr F. Fallows, astronomer at
the Cape of Good Hope Observatory, the Admiralty appointed Mr
Henderson, an Edinburgh lawyer, who had done some little things in
astronomical calculation. On Jan. 10th I discussed with him
observations to be made, and drew up his Official Instructions which
were sent on Jan. 10th.--On Feb. 16th Sir James South writes that
Encke's Comet is seen: also that with his 12-inch achromatic,
purchased at Paris, and which he was preparing to mount equatoreally,
he had seen the disk of Aldebaran apparently bisected by the Moon's
limb.--Capt. Beaufort and D. Gilbert write in March about instructions
to Dunlop, the astronomer at Paramatta. I sent a draft to
Capt. Beaufort on Apr. 27th.
"The Preface to my 1831 Observations is dated Mar. 20th. The
distribution of the book would be a few weeks later.--On May 7th I
began my Lectures: 51 names: I finished on May 29th.
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