| Description | Autograph letter signed by sender. John Frederick William Herschel, in preparing to leave Cape, thanks William Samuel Stratford for having sent Nautical Almanacs to him there. Discusses motions of a comet appearing to move whimsically, the periodical star alpha Hydrae, other stars, and the re-discovery of Saturn's sixth satellite. |
| Place origin | Feldhausen, Cape of Good Hope, South Africa |