![A treadmill, which was designed and built in the 14th century, in the central stub-tower of Beverley Minster, East Yorkshire. The treadmill operates an ancient crane and raises a movable boss from A treadmill, which was designed and built in the 14th century, in the central stub-tower of Beverley Minster, East Yorkshire. The treadmill operates an ancient crane and raises a movable boss from](https://c8.alamy.com/comp/2CHA15B/a-treadmill-which-was-designed-and-built-in-the-14th-century-in-the-central-stub-tower-of-beverley-minster-east-yorkshire-the-treadmill-operates-an-ancient-crane-and-raises-a-movable-boss-from-a-well-in-the-ceiling-to-enable-building-and-repair-material-to-be-taken-up-from-ground-level-inside-the-minster-2CHA15B.jpg)
A treadmill, which was designed and built in the 14th century, in the central stub-tower of Beverley Minster, East Yorkshire. The treadmill operates an ancient crane and raises a movable boss from
![Model of an Artillery Crane, Very nice construction model of a crane, completely rotating around a vertical axis. The hoist, attached to the treadmill's winch, runs through an intermediate disk to a Model of an Artillery Crane, Very nice construction model of a crane, completely rotating around a vertical axis. The hoist, attached to the treadmill's winch, runs through an intermediate disk to a](https://c8.alamy.com/comp/W56XGX/model-of-an-artillery-crane-very-nice-construction-model-of-a-crane-completely-rotating-around-a-vertical-axis-the-hoist-attached-to-the-treadmills-winch-runs-through-an-intermediate-disk-to-a-top-disk-down-through-a-hoist-block-with-a-lead-weight-and-back-to-the-top-anonymous-c-1800-c-1830-wood-plant-material-brass-alloy-iron-metal-rope-model-h-555-cm-max-w-305-cm-h-675-cm-packaging-capsule-w-595-cm-d-385-cm-h-675-cm-W56XGX.jpg)
Model of an Artillery Crane, Very nice construction model of a crane, completely rotating around a vertical axis. The hoist, attached to the treadmill's winch, runs through an intermediate disk to a
![Two men power the treadmill which operates the crane. This one is capable of lifting 1/2 a ton/500kg. There are no modern mechanical cranes onsite to do the heavy lifting. Only medieval Two men power the treadmill which operates the crane. This one is capable of lifting 1/2 a ton/500kg. There are no modern mechanical cranes onsite to do the heavy lifting. Only medieval](https://i.redd.it/kg0m8dfybhv81.jpg)
Two men power the treadmill which operates the crane. This one is capable of lifting 1/2 a ton/500kg. There are no modern mechanical cranes onsite to do the heavy lifting. Only medieval
![A human-powered treadmill harbour crane. Because we used to be able to lift things by ourselves. | Crane, Low tech, History A human-powered treadmill harbour crane. Because we used to be able to lift things by ourselves. | Crane, Low tech, History](https://i.pinimg.com/originals/a2/88/e6/a288e62f8baf1409d61cdaba5e34c48d.jpg)
A human-powered treadmill harbour crane. Because we used to be able to lift things by ourselves. | Crane, Low tech, History
![The treadmill crane, kiddie powered. 100kgs of rock. - Picture of Camp de Siege Médieval, Larressingle - Tripadvisor The treadmill crane, kiddie powered. 100kgs of rock. - Picture of Camp de Siege Médieval, Larressingle - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/08/0a/b9/9d/camp-de-siege-medieval.jpg)