1750 Diderot Encyclopedia Sheet - Art Militaire Plate #Supl 11 sm Armes & MJachines - Trebuchette Crossbow Cart

7" x 9.5" 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 :Trebuchet and Oversized Cross bow on cart designs