[1688]. High breast wheel.

[1689]. Overshot wheel.

[1690]. Return overshot wheel.

[1691]. Internal feed re-action wheel.

[1692]. Sunk wheel, driven by air: may be used as a meter for gas or air.

[1693]. Current wheel, driven by tidal or river current.

[1694]. Flutter wheel, with high fall.

[1695]. Horizontal wheel.

[1696]. Re-action wheel, the oldest form of turbine.

[1697]. Engel’s diagonal wheel.