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Has sent the book. Gives an outline of his own work and ideas he has for the improvement of the piano. Would like JH's comments.
Questions related to JH's 1846-9-26 having been asked by RR, JH writes to answer these questions.
A long statement against a very nasty article in the Mechanics Magazine on the priority controversy surrounding the discovery of Neptune.
Has been carrying out a series of experiments with spiders immersed in acids and finds their bodies are not protected in any way. Has also been experimenting with elastic tissues to see if there is a change of temperature.
Details of WL's observations of a ring and satellite of U. J. J. Leverrier's planet.
Received his letter enclosing Edward Sabine's a few days ago on returning home. Busy at College; otherwise would have written. Could have attended a meeting of Committee of Physics had he known. Discovery of the new planet is a triumph. Has he heard of the attempt to destroy the telescope of William Parsons (3rd Earl of Rosse)?
Announces, to WL, the discovery of a new planet beyond Uranus, gives co-ordinates, and urges WL to look for satellites 'with all possible expedition.'