Sends books and observations for various observatories. Comments on recent astronomical work. Points out some discrepancies in John Pond's works. Praises the telescopes of Josef Fraunhofer.

Has he received the copies of the Vienna Observations? Encloses a small pamphlet of interest to mariners. What does he think of Josef Fraunhofer's micrometer for observing double stars? Is writing this letter on his birthday.

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.

Books per N. M. Rothschild have not yet arrived. Has arranged a standing order for the Vienna Observations. The Robert Molyneux clock can be dispatched at once. Agrees with JH that double stars are the test of a good telescope.

Has just heard that the ship carrying JL's clock arrived at Hamburg on the 5th. Gives the name of the Bank to which payment is to be made. Has used his Theory of Comets in a paper.