1750 Diderot Encyclopedia Sheet - Art Militaire Plate #Supl 6 Lrg Armes & Machine de Guerre - Seige Towers

9" x 13" copper engraved study on hand laid papers in fine condition. Slight wear and soiling from age and use as seen, outside of image and not effecting content . Clean examples of 275 year old educational sheets from the first encyclopedia . This sheet covering : Two differing Siege Towers , one with a Battering Ram