Letter, from Sir John Herschel to Richard Sheepshanks Autograph letter signed by sender. On Francis Baily's titles and on how to get a print with Baily's picture, autograph, and name in regular capitals. Explains remarks he made in a controversy with T. R. Robinson and published in the Athenaeum [Autumn, 1843] about John Frederick William Herschel's father's telescopes. 1845-4-22 or later