SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Catapult. A part of a Grecian catapult, excavated and restored at the site of the city of Tanais. This component, dated to the third century BCE, was probably used to cover the end of a torsion bar that stored the energy used to throw projectiles such as arrows.
Model release not required. Property release not available.