on Jan 3, 2016
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  10.03gm  Nice, interesting and absolutely original iron blade measuring 85mm  The earliest form of the ballista is thought to have been  developed for Dionysius of Syracuse, circa 400 BC   All components that were not made of wood were transported in the  baggage train  The early Roman ballistae were made of wood, and held together with  iron plates around the frames and iron nails in the stand  these could be as heavy as 200-300 pounds (90–135 kg)  After the time of Julius Caesar, the ballista was a permanent fixture  in the Roman Army and, over time, modifications and improvements were  made by successive engineers  Probable size 1.47 m width, i.e. 5 Roman Feet  Attempts to reconstruct these ancient weapons began at the end of the  19th century, based on the rough translations of these ancient authors   It was only during the 20th century, however, that many of these  reconstructions began to make any sense as a weapon      Metal components of a 4th century ballista     The excavated items were made of spruce (Picea)  trunk and were between 1.83 and 2.25 metres long  This heavy javelin, known as a Pilum (plural "pila"), was about two metres long overall, consisting of an iron  shank, about 7 mm in diameter and 60 cm long, with pyramidal head,  secured to a wooden shaft
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