"AB is a wheel with a broad rim, or felly. A wine glass partly filled with water is placed on the inner surface of the felly, and the wheel is then made to revolve rapidly round the axle O. If the proper amount of motion be communicated to the wheel, not only will the wine glass keep its place on the felly, but the water also will remain in it..." —Quackenbos 1859

Centrifugal Force Demonstration

"AB is a wheel with a broad rim, or felly. A wine glass partly filled with water is placed on the inner…

The circular outer part of a wheel, furthest from the axle.

Detachable Rim

The circular outer part of a wheel, furthest from the axle.

This tea urn is designed with flowers around its rim. The rim and cover has a design of a figure that is part female, part leaf design. It is used to hold tea, and has a faucet attached at the bottom to pour the tea.

Tea Urn

This tea urn is designed with flowers around its rim. The rim and cover has a design of a figure that…

This tea urn is designed with scrolls and standing figures around its body. The rim and cover has a design of a figure that is part female, part leaf design. It is used to hold tea, and has a faucet attached at the bottom to pour the tea.

Tea Urn

This tea urn is designed with scrolls and standing figures around its body. The rim and cover has a…