Letter, from Robert Main to Sir John Herschel, dated at Radcliffe Observatory Autograph letter signed by sender. Is pleased that the Government have put Sir Thomas Maclear on the Civil list. Has read John Frederick William Herschel's paper on atoms with much interest and amusement. Hopes that John Frederick William Herschel will call at the Observatory when in Oxford. Finds the R. C. Carrington transit circle a valuable instrument. Comments on his observations. 29 January 1863