No summary available.
No summary available.
[Responding to WT's 1826-3-24], JH concurs with P. S. Laplace's view about the advantage of astronomical observation from high elevations, e.g., from mountains. Comments on telescope prices, a paper by WT, Florence, and JH's plan to visit the Continent.
No summary available.
Encloses a letter from Dr. John Brinkley. Please send on his manuscript catalogue of nebulae. Regarding the reading and printing of CB's paper at the Analytical. Site for his pendulum experiments.
No summary available.
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.
Has read his paper on vaporization with much interest and can see no objections to its arguments. Comments on some of the details.
No summary available.
Comments extensively on paper on limit of vaporization and its significance in helping to settle ideas on constitution of the atmosphere.
[More detailed version of JH's 1826-5-26]. Has mentioned it to Humphry Davy.
No summary available.
Discusses casting and construction of telescope speculae.
No summary available.
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.
No summary available.
No summary available.
No summary available.