Nature, Down, Beckenham, Kent, 24 February, n.y. [1870s]. 1 page, 8vo. Fine condition." /> DARWIN, Charles (1809-1882). Autograph letter signed ("Charles Robert Darwin") to [Joseph Norman Lockyer (1836-1920), founder and editor of <I>Nature</I>, Down, Beckenham, Kent, 24 February, n.y. [1870s]. <I>1 page, 8vo</I>. Fine condition. | Christie's