Letter, from Johann Franz Encke to Sir John Herschel, dated at Berlin Autograph letter signed by sender. Sending his observations of the recent comet visible from Bonn, through Captain [Basil] Hall. F. W. Bessel; Schumacher and Hansen are in Berlin. Bessel repeated pendulum observations in Berlin. Encke has received a letter from Wilhelm Struve announcing the first stones for the observatory in St. Petersburg have been laid, Struve's zeal is intact despite the disasters he has recently faced [note in margins by Herschel: "what disasters?"] The Oobservatory in Berlin is nearly completed, hoping the large telescope will be in use in 2 months. Astronomical conversation is often directed to Herschel's potential discoveries at the Cape [letter addressed to the Cape]. 9 July 1835