Returning packet of papers on magnetism. Encloses copy of a letter he has sent to Edward Sabine. Has seen the recent eclipse of the sun.
Returning packet of papers on magnetism. Encloses copy of a letter he has sent to Edward Sabine. Has seen the recent eclipse of the sun.
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.
No summary available.
Sending copy of GA's 'Tides and Waves' for Encyclopaedia Metropolitana; would be glad of JH's comments. Also encloses his eclipse paper.
Answer to one of JH's on 9 January [apparently on equatorial telescopes].
Regarding William Cubitt (Engineer of the Dover Railway) and the proposed blasting down of the cliffs between Dover and Folkestone.
Further news of his proposed visit to Dover to see the blasting of the cliffs?
Regarding projected committee for the construction of new Standards for weights and measures. Any observations or further instructions for captain visiting the China coast?
A new committee on standards is to be created to oversee the preparation and measuring of appropriate standard measures; seeks JH's opinion about asking Francis Baily and W. H. Miller to do the accurate weighing and measuring.
Covering letter to one by Edward Cooper regarding appearance and observations on new comet.
Offers JH information about, and maps of, Switzerland, as GA understands JH is going there.
Regarding Captain [Charles ?] Gray's letter. Robert Peel has written asking Francis Baily and W. H. Miller to do the 'Standards.'
No summary available.
Regarding H. C. Schumacher and the Stephen Groombridge observations.
Regarding a letter from F. W. Bessel. On holiday on the Isle of Wight.