RUMFORD, BENJAMIN, Count. Essays, political, economical, and philosophical...fifth edition. London: A. Strahan, 1800-02. Numerous plates and illustrations. 3 volumes -- Philosophical Papers. Vol I [all published]. London, 1802. Portrait frontispiece and 13 plates (mostly folding). Together 4 volumes, 8vo, original paper-backed boards, printed paper spine labels, uncut, some chipping and browning to spines. (4)