MUYBRIDGE, EADWEARD. 1830-1904.
Autograph Letter Signed ("E Muybridge"), 1 p, 8vo, London, March 9, 1889, on University of Pennsylvania letterhead, moderate toning and thumbing.
In full: "My dear Sir, / The proof is all right so far as it relates to myself. Will you kindly send me 24 admission tickets."