"17 half-tone plates, the frontispiece, a portrait of the author, the remainder photographs of Mayan temples and bas-relief...[this copy] is one of the earliest half-tone books in the United States. John Moss's method of half-tone was a secret one...
Mason, R. B. -- Portraits; Pacific Hotel (Chicago, Ill.); Grace Church (Chicago, Ill.); Crosby Opera House (Chicago, Ill.); Great Fire, Chicago, Ill., 1871; Forest fires -- Wisconsin; Forest fires -- Michigan; Fires -- Illinois -- Chicago
"Numerous plates from art engraved by the Actinic Engraving Co., Moss Process...These are some of the earliest photo-engravings done in the United States."--Hanson Collection catalog, p. 43