Letter, from Thomas Maclear to Sir John Herschel, dated at Royal Observatory, Cape of Good Hope Autograph letter signed by sender. Encloses the sweeps for June 1836, which John Frederick William Herschel lent him. Not a word about printing, or the Tide gauge in the letters he received. Will forward the letters from G. B. Airy and Francis Baily. Thomas Henderson is about to be married. Cannot procure white deal without knots. Will try an old mast. 28 September 1836