Christian, M. Traite De Mecanique Industrielle, ou expose De la science De la maecnique deduite De l'experience et De l'observation. Hardcover 1825 Paris, Bachelier. 1825 two tile pages plus 60 full page steel plates of how 'Machines' work. Man-powered and horse-powered. From windmills and water –wheels to pumps and ploughs. Each engraved with diagrammatic details of the machine and how it works. Each page 320 x 265 mm. Original cover in brown marbled papers. Gilt title and bands to spine. Marbled endpapers.