Ancient Greek military personal equipment event of a broken spear, or if close melee combat was necessary. Hoplites mounted on horseback likely used a heavier, curved sword known as the "kopis", meaning "chopper" in the Greek language. Hand-to-hand, light support troops such as the "psiloi" were often armed with ranged weapons. Popular ranged weapons were the bow ("toxa"), javelin ("akontia") and sling ("sfendonai"). While the bow was a relatively uncommon weapon (the wooden stave bow used had a limited range), some troops treated their arrows by thrusting them into rotting corpses, thus creating a crude form of biological weapon. Peltast troops commonly used javelins, and
Ancient Greek units of measurement Papyrus, circ 275 BC. Ancient Greek units of measurement Ancient Greek units of measurement varied according to location and epoch. Systems of ancient weights and measures evolved as needs changed; Solon and other lawgivers also reformed them "en bloc". Some units of measurement were found to be convenient for trade within the Mediterranean region and these units became increasingly common to different city states. The calibration and use of measuring devices became more sophisticated. By about 500 BC, Athens had a central depository of official weights and measures, the "Tholos", where merchants were required to test their measuring devices against