Roman Military, Battering Rams, 1738.

"A Ram covered with a Shed, and running upon wheels. A Ram which might be raised or sunk, as there was Occasion, either by springs, or ropes, and pullies, according to Hero's description of it" anonymous engraver, published in Hooke's Roman History, 1738. Copper engraved print, very good condition. Size 15 x 23 cms including title, plus margins. Ref E8176