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...

construction of buildings. Larger cranes were later developed in the Roman Empire, employing the use of human treadwheels, permitting the lifting of heavier...

cathedrals. There is a literary reference to one in 1225, and one treadwheel crane survives at Chesterfield, Derbyshire and is housed in the Museum. It...

prevent too many contacts between monks and pilgrims. There is also a treadwheel crane which served as a windlass, installed during the use of the site as...

since the end of classical civilizations. Treadwheel crane (1220s) The earliest reference to a treadwheel in archival literature is in France about 1225...

technology was later adapted to create rotary grain mills and the treadwheel crane. It was also used to pump water and power dough-kneading machines and...

"Medieval Treadwheels. Artists' Views of Building Construction", Technology and Culture, 33 (3): 510–547, doi:10.2307/3106635 Treadwheel crane Wikimedia...

a construction crane, the engineer O'Connor calculates a slightly less lifting capability, 6.2 t, for such a type of treadwheel crane, on the assumption...

to the vertical wooden crane "beam" and four others on a (treadwheel men or menials) to operate the huge wooden twin treadwheels (more than 14 feet (4...

the quarry or in situ. Even so, for such loads, the typical Roman treadwheel crane, which could only reach a maximum height of 15 to 18 metres (49–59...

wheels. Hamster care Hamster cage Behavioral enrichment Treadmill Treadwheel Treadwheel crane Los Angeles Times, 9 Oct. 1949, p. B20/4 (advt.), referenced...

and UK£50 annually. Medieval machines and inventions, such as the treadwheel crane, became indispensable during construction, and techniques of building...

Tracked loader - Traditional Korean roof construction - Transite - Treadwheel crane - Trench shield - Trencher - Trenchless technology - Truss - Tube and...

spiral staircase, central heating, urban planning, the water wheel, the crane, and more. The oldest construction drawing is in the Temple of Apollo at...

fire station. The port is also home to the "Old Crane" (Alter Kran), a wooden, medieval riverside crane that is still in working order today and which...

apartments. Also of interest are the High Lighthouse (1818), the unusual Treadwheel Crane (late 17th century), the Old Custom Houses on West Street, a number...

dates from Saxon times before 1066. In the central tower is a massive treadwheel crane which was used to lift building materials to the roof space. It is...

was originally shaped like a pair of scissor-tongs, and swung from a treadwheel crane. This type of tong device has been known as dogs and the holes in the...

architect Balthasar Neumann; two old treadwheel cranes, one being the Gothic "Old Crane" (Alte Krahnen) or "Trier Moselle Crane" (Trierer Moselkrahn) from 1413...

masting crane is a specialised shipyard crane, intended for placing tall masts onto large sailing ships. "Sheers" is an old name for a fixed crane formed...

One unusual structure surviving from the dockyard is a very rare treadwheel crane of 1667, which was in use until the early twentieth century before...

The Treadwheel Crane...

children to be abandoned. The king ordered that his wife be put in a treadwheel crane. Three fairies saw the abandoned children and gave them a deer to nurse...

Boitard's work gives an authentic feel to work on Legal Quays: recording treadwheel cranes, beamscales, Customs’ Officers gauging barrels and porters handling...

Southwater, Sussex. The treadwheel dates from the early 17th century. It was probably not worked by a horse due to its size. The treadwheel is housed in a small...

that of the Ancient Egyptians, ancient Greeks and Romans, who had cranes and treadwheels to help lift colossal stones (see list of ancient Greek and Roman...

the crane to turn. A new harbour crane installed in 1684 is attributed to Jacob Leupold. This crane could also rotate but two large treadwheels enabled...

all the woodwork, including the installation and removal of the treadwheel operated cranes; Master Engel (Enggel) was the local smith. All the ropes and...

evidence. Most cranes were capable of lifting about 6–7 tons of cargo, and according to a relief shown on Trajan's Column were worked by treadwheel. The Romans...

hemp haulage rope and was operated by human or animal power, through a treadwheel. 1769: Nicolas-Joseph Cugnot is often credited with building the first...