treadwheel उदाहरण वाक्य
उदाहरण वाक्य
- The two treadwheels whose diameter is estimated to be 4 m or larger were attached to each side of the axle and rotated together.
- He invented a type of windmill sail and the prison treadwheel, and was employed as chief engineer, at Hyde Park in 1851.
- The medieval treadwheel was a large wooden wheel turning around a central shaft with a treadway wide enough for two workers walking side by side.
- This central tower now houses the largest surviving treadwheel crane in England, which is used when raising building materials to a workshop located in the roof.
- Even so, for such loads, the typical Roman treadwheel crane, which could only reach a maximum height of in any event, was clearly inadequate.
- Unlike construction cranes where the work speed was determined by the relatively slow progress of the masons, harbor cranes usually featured double treadwheels to speed up loading.
- 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.
- There is also a treadwheel crane which served as a windlass, installed during the use of the site as a prison, to bring supplies to the prisoners.
- Its reintroduction may have been inspired, as well, by the observation of the labor-saving qualities of the waterwheel with which early treadwheels shared many structural similarities.
- The actual gristmill was powered by oxen on a treadwheel and housed in a late-1840s two-story rock structure built on Farmers Creek, northwest of Carrollton.