Shenbi Bed-Mounted Multiple-City Crossbow

A woodblock illustration depicting a "Divine Arm Bed-mounted Multiple-city Crossbow" (Shenbi Chuangzi Liancheng Nu). The central focus is a large, heavy crossbow mounted on a rectangular wooden frame or "bed" (chuang). A soldier in traditional military attire, including a helmet with a plume and armored robes, stands to the right, operating the mechanism. Several large bolts or arrows are positioned on the stock, ready for firing. Above and below the main weapon are diagonal lines of text describing the arrangement of the crossbow beds.

Records of Military Preparations, Volume 103, Military Supplies, Combat, Siege 2