Sends a copy of Volume 1 of the Transactions of the Astronomical Society, and makes arrangements for future volumes.

Received MB's notice that JH was appointed fellow of Saint John's College. Will visit Cambridge if William Herschel's health permits.

Discusses the pros and cons of GE's proposal that [J. C.?] Schenck, a Swiss maker of optical instruments, set up a business in London. JH is not sure that JH ascended Mt. Rosa, but is certain of JH's barometric reading. Interested in GE's method of estimating air temperature.

Requests corrections on a paper JS was publishing with JH. Urges JS to use less excessive language.

Thanks for the publications sent; lists materials JH is sending JL. Asks about quality of Josef Fraunhofer's large telescopes. JH read part of JL's letter of 2 Jan. 1822 at Astronomical Society meeting. Discusses proper motion of sun, JL's work on latitude of the pole star, observatory clocks, micrometers, and the Cambridge Observatory.

Examine reflecting theodolite by [?] Schenk, now at Edward Troughton's. Arrangements for Madeira expedition. James South is willing to make observations there. 'Bowdich (the African)' is now at Teneriffe or Madeira and needs employment. William Herschel's health.