Letter, from Thomas Maclear to Sir John Herschel, dated at Royal Observatory, Cape of Good Hope Autograph letter signed by sender. Has just finished the observations of Mars and the circle is free from any particular use. Further comments on his query regarding the motion of the center of the mural circle. Would like John Frederick William Herschel's assistance on the examination. Has had some brass ingots stolen from the observatory. 12 February 1835