Reports Charles Bonne's voyage to Mont Javoul and discovery that the rockets there had been sent off too early, accounting for the previous failures. Reports subsequent successes. Conveys his plans to arrive at Teneriffe.
Reports Charles Bonne's voyage to Mont Javoul and discovery that the rockets there had been sent off too early, accounting for the previous failures. Reports subsequent successes. Conveys his plans to arrive at Teneriffe.
Apologizes for the long delay in writing of JH's election into the Danish Royal Academy of Sciences. HO is carrying on experiments with chlorine gas and metals.
Pleased that Astronomical Society will publish GP's memoir (in French) [see GP's 1825-5-27]. Adds some comments for clarification on points in paper and makes arrangements for copies of the paper.
Could he let him have the address of his son James as his mother died this morning.
Concerning Lieut. C. L. Largeteau's recent observations.
Thanks for the double star catalogue of JH and James South; comments on observing Encke's and Biela's comets.
Comments on various errors detected in the catalogue of double stars published by JH and JS. Scientific affairs in Paris in relation to Alexander von Humboldt, François Arago, P. S. Laplace, and others. Various cometary and stellar observations of JS.
Reports observing with J. N. Nicollet two comets. Observations of Encke's comet. Gives position of nebula to be observed by JH.
Appreciates JH's interest in and encouragement of CW's experiments. Describes new experiments to elucidate theory of undulatory motion of sound and light. Invented 'kaleidophone' to display paths of vibrating rods. Hopes JH can confirm these results.
Is sending journals for JH and others listed. Observations on telescopes and star readings.
Sends the last volume of his Mécanique céleste for the R.S.L. Comments on his various activities. Is grateful for the memoirs JH sent.
Has stopped in London and learned of the death of JG's mother.
No summary available.
Has found some errors in the printing of his paper. Sorry to hear that JH has been indisposed, but believes he is progressing.
Reports his observations of a comet JS detected and also of Encke's comet. Pleased JH is recovering from illness.
Mostly related to the death of JG's mother.
Her social life is rather boring at the moment because CH is busy caring for her sick brother Dietrich.
Sorry JH is still sick. Will send JS's new double stars observations to JH for his comments and for publication.
Discusses JH's rent at Devonshire Place.
Will be pleased to accept his invitation to spend some days at Slough.