Search results
Results From The WOW.Com Content Network
A 13th century drawing of a treadwheel crane. A treadwheel crane (Latin: magna rota) is a wooden, human powered hoisting and lowering device. It was primarily used during the Roman period and the Middle Ages in the building of castles and cathedrals. The often heavy charge is lifted as the individual inside the treadwheel crane walks.
Ancient Greek technology developed during the 5th century BC, continuing up to and including the Roman period, and beyond. Inventions that are credited to the ancient Greeks include the gear, screw, rotary mills, bronze casting techniques, water clock, water organ, the torsion catapult, the use of steam to operate some experimental machines and ...
Greco-Roman Pentaspastos ("Five-pulley-crane"), a medium-sized variant (ca. 450 kg load) Further information: Roman engineering When soldiers were not engaged in military campaigns, the legions had little to do, while costing the Roman state large sums of money.
Greco-Roman Pentaspastos ("Five-pulley-crane"), a medium-sized variant (c. 450 kg load) Reconstruction of a 10.4 m high Roman Polyspastos powered by a treadwheel at Bonn, Germany. The heyday of the crane in ancient times came during the Roman Empire, when construction activity soared and buildings reached enormous dimensions. The Romans adopted ...
Pont du Gard (1st century AD), over the Gardon in southern France, is one of the masterpieces of Roman technology.. Ancient Roman technology is the collection of techniques, skills, methods, processes, and engineering practices which supported Roman civilization and made possible the expansion of the economy and military of ancient Rome (753 BC – 476 AD).
The article stated the author had "observed several classic Roman features" in the stones, including Lewis holes, which were used by Roman cranes to lift heavy objects.
The Trispastos ("three-pulley-crane") is a simple guyed mast form of crane that dates to Greco-Roman times. Partially guyed tower This section does not ...
With the Greco-Roman trispastos ("three-pulley-crane"), the simplest ancient crane, a single man tripled the weight he could lift than with his muscular strength alone. [218] 6th century BC – 10th century AD: High Carbon Steel, produced by the Closed Crucible method, later known as Wootz steel, of South India. [219] [220] [f]