| They used masses of wooden scaffolding, and pulleys operated by treadwheels and cranked round by labourers or animals. |
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| The local authorities kept careful statistics of the treadwheels, which provided extensive information on human work, of a nature far more accurate than earlier studies. |
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| Along with cranks, treadmills, and treadwheels, they allowed human and animal power of machinery in the absence of electric machinery. |
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| I Town produces electricity, not with steam or water or wind but with the renewable resource of human effort, people walking on treadwheels. |
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