No summary available.
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Asks JH to thank Henry Kater for his comparison of WS's scale to that of the standard-yard. Mentions breakout of cholera as reason for delay in responding. Includes many measurements of year's work.
Is sending a copy of N. L. Lacaille's catalogue of principal stars. New observer in Yorkshire, a Mr. Beaumont. Pendulum theories known in France, and printed, but not apparently generally known. Is working on new paper for the R.S.L. on various kinds of pendulums.
Is to dine with Frederick Augustus (Duke of Sussex). Regarding pendulums and French theorists. Will be pleased to see his paper on proper motion when ready. Regarding new amateur astronomers.
No summary available.
Asks WS to forward enclosed note to Professor Schlegel. Disappointed that his celestial mechanics lecture [review] did not appear in last issue of the Quarterly Review.
No summary available.
No summary available.
No summary available.
CD’s enjoyment of the beauty of the tropics is worth all the misery of seasickness. His mail gave him great pleasure. For two weeks he will visit a large estate in the country, and on return live at Botofogo for some weeks, collecting and learning to know the tropics.
No summary available.
Must decline invitation to dinner due to poor health.
Wonders how JH's projected volume on Astronomy is progressing. Would also like a short biography of Francis Bacon.
Discusses study of light, JH's theories on the subject, and his own photometer observations. Asks JH for further explanations of his theory.
JG is revising his diary.
No summary available.
Has received the chronometer and will return it to Lister, together with his remarks on apertures. Charles May has found another individual suffering from color blindness. A friend has successfully made a reflecting microscope.
Writes news of Cambridge friends, professors, music, the Reform Bill, and cholera. Expresses belief that CD will take his place with Cuvier and Humboldt.
Wilhelm Struve's observations support JH's findings concerning the rapid revolution of Eta Coronae. In acknowledgement of the discovery that double stars are a 'revolving binary system,' JH changed the inscription on William Herschel's monument.
Reminds JH to send his catalog of double stars.