The Swarm of Bees Cannon

Flying Swallow original: "Feiyan," likely a fast, aerodynamic projectile designed for range

Fire Butterfly original: "Huodie," an incendiary projectile designed to flutter through the air and ignite enemy defenses

Iron Caltrop original: "Tiejili," a spiked metal device used to wound the feet of infantry and horses

The Internal Structure of the Round Basket

original: "Yuanlan fenxing," referring to the diamond-grid or woven lattice seen in the diagram which holds the various projectiles in place before firing