SF Encyclopedia Picture Gallery
A Merritt. The Metal Monster (New York: Avon Books, 1946) [cut version: full version first appeared 7 August-25 September 1920 Argosy; cut and revised November 1927-July 1928 Science and Invention as "The Metal Emperor"; and further cut and revised August 1941 Famous Fantastic Mysteries under original title: pb/Paul Stahr]
Image courtesy of L W Currey, Inc