Encloses copy of a letter written to Edward Sabine. Wants instruments of quicker vibration.
Showing 121–140 of 166 items
Encloses copy of a letter written to Edward Sabine. Wants instruments of quicker vibration.
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.
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.
Has arranged meeting to discuss N. L. Lacaille's observations. Sends a toy purchased in the streets of London.
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.
Giving his results respecting Cassiopeia. Requesting any details of observations of Orionis since April.
Readings of comets.
Congratulations on the birth of his daughter.
Letter to accompany a complimentary copy of FB's new book on logic.
Informs JH of FB's arrival in Manchester and of further travel plans.
About further travel plans, and people FB is meeting as he travels in Britain.
Thank you note after FB visited Collingwood.
Warm thanks for JH's kind hospitality; some comments about Prussian Order of Merit.
More about Prussian Order of Merit; further annual parallax observations, together with comments on other observations.
Thanks for JH's translation of Frederick Schiller's poem. Hopes that they had a pleasant Christmas. Family news.
Requesting any information on J. J. Littrow for his obituary notice.
Account of the eclipse seen at Pavia.
Further remarks concerning the recent eclipse and his own and G. B. Airy's papers on the subject.