Dessau, Germany: Directorium gez. Oechelhauser, 1880. Paperback. [22] p., 1 leaves of folded plates; 34 cm. Contemporary dark blue card wrapper. Text is in German script reproduced via an early means of reproduction. The leaves of plates are titled: Dessauer Generatorofen, and M. Gladbacher Generatorofen. Final page of text ends..... More