Declines an invitation of JH's, being 'engaged sixteenfold' that day. Invites JH to a party another day.
Declines an invitation of JH's, being 'engaged sixteenfold' that day. Invites JH to a party another day.
Offers to participate in determining stellar parallaxes by finding the angle position of double stars. Apprises Henry Kater that he has never seen Saturn's rings separated. Includes micrometer measurements of Saturn and Jupiter.
Has a micrometer under construction and gives details. Pietro Prandi has published a second memoir on mercury covered with sulfuric acid.
No summary available.
Sending a paper for the R.S.L. Humphry Davy does not approve entirely of his arguments. Would be pleased if JH would glance over it and then inform Davy that he has it.
Discusses casting and construction of telescope speculae.
Will send JH some barometric observations; describes the barometers with which the observations were made.
No summary available.
Was grateful for JH's letter and detailed notes. Hopes he will attach a copy to the paper when he communicates it to the R.S.L.