Chinese Chuangzi Nu stationary windlass device with triple-bow arcuballista Credit: "Chinese Siege Warfare: Mechanical Artillery & Siege Weapons of Antiquity" by Liang Jieming (ISBN 981-05-5380-3)
Chuangzi_Nu1
Chinese Chuangzi Nu stationary windlass device with triple-bow arcuballista Credit: "Chinese Siege Warfare: Mechanical Artillery & Siege Weapons of Antiquity" by Liang Jieming (ISBN 981-05-5380-3)