The often heavy charge is lifted as the individual inside the treadwheel crane walks.
From the en.wikipedia.org
This submarine was built by August Howaldt and powered by a treadwheel.
From the en.wikipedia.org
It is the only double wheel treadwheel crane in the United Kingdom.
From the en.wikipedia.org
A treadwheel crane survives at Guildford, Surrey, United Kingdom.
From the en.wikipedia.org
The bike's front wheel is made like a hamster's treadwheel.
From the newscientist.com
A treadwheel is a form of engine typically powered by humans.
From the en.wikipedia.org
Watch as the donkeys work the 16th-century treadwheel to draw water up to the castle, then explore the castle's enchanting grounds.
From the telegraph.co.uk
The line originally used wooden rails and a hemp haulage rope, and was operated by human or animal power, through a treadwheel.
From the en.wikipedia.org
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.
From the en.wikipedia.org
More examples
Treadmill: a mill that is powered by men or animals walking on a circular belt or climbing steps
A treadwheel is a form of animal engine typically powered by humans. It may resemble a water wheel in appearance, and can be worked either by a human treading paddles set into its circumference (treadmill), or by a human or animal standing inside it (treadwheel).