Would like JH's views on the suitabilities of the various makes of telescopes for their observatory.
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Would like JH's views on the suitabilities of the various makes of telescopes for their observatory.
Regarding the Misses Tunros and their residence at Bonn. Stating where his memoir on the motion of the sun is printed. Observations on stars and object glasses.
Comments on the various reports of the recent eclipse. Regarding the star constellations.
Congratulations on the birth of his daughter.
Asking JH for his views on Charles Babbage's calculating machine, so that he can pass on the information to the Chancellor of the Exchequer.
Grateful for the account of Lady Herschel. Feels sorry for James Stewart; hopes to visit him later. Enjoyed himself in Holland; then went on to Germany, which he hopes to revisit when he has learned more of their language. Brother of Mrs. Jones has died.
Robinsons (Devonshire St.) have offered their standard Troy pound, together with its history for £20-0-0. [JH has added notes from his reply regarding the present whereabouts of the various Troy pounds.]
Further remarks on his letter concerning Charles Babbage's calculating machine (see GA's 1842-9-16) in order to clarify JH's mind.
Encloses the Chancellor of the Exchequer's letter concerning Charles Babbage's calculating machine.
Sending a Daguerreotype impression of the spectrum. Comments on this. Is publishing a work on the chemical rays.
F. W. A. Argelander has requested the R.A.S. to pledge itself to publish one of his writings. RS notes that it is a rule of the R.A.S. not to do this, but rules can be broken if there is 'sufficient advantage.' Suggests Argelander's request be granted and that JH write him.
Explains how AS first learned of various compound salts of iron from medical writings.