Ancient Siege Engines and Artillery

A battering ram is a siege engine that originated in ancient times and was designed to break open the masonry walls of fortifications or splinter their wooden gates.

The polybolos (the name means "multi-thrower" in Greek) was an ancient Greek repeating ballista, reputedly invented by Dionysius of Alexandria (a 3rd-century BC Greek engineer at the Rhodes arsenal,) and used in antiquity.

Helepolis (Greek: ἑλέπολις, meaning: "Taker of Cities") is the Greek name for a movable siege tower.

The sambuca (Ancient Greek: σαμβύκη) was a ship-borne siege engine which was invented by Heracleides of Tarentum and was first used unsuccessfully by Marcus Claudius Marcellus during the Roman siege of Syracuse in 213 BC. Polybius describes usage of the machine: As well as these vessels he had eight quinqueremes in pairs.

The scorpio or scorpion was a type of Roman torsion siege engine and field artillery piece.

The cheiroballistra (Greek: χειροβαλλίστρα) was a small, two-armed, torsion-powered, metal-framed catapult known from an anonymous Greek treatise titled "Heron's Construction and Dimensions of the Cheiroballistra" (Ἥρωνος χειροβαλλίστρας κατασκευὴ καὶ συμμετρία).

The oxybeles (Greek: οξυβελής) was a weapon used by the Ancient Greeks starting in 375 BC. The word is derived from Ancient Greek: οξύς (oxys = sharp, pointed) and βέλος (belos = arrow).

Carroballista was an ancient, cart-mounted ballista, a type of mobile field artillery.