(See also [p. 218].)
[2556]. Feathering paddle wheel, or tide wheel. The three floats are maintained vertical by spur wheels on their spindle ends, which gear with idle pinions driven by a fixed central spur wheel of same size as those on the floats.
[2557]. Wind turbine. The vanes are formed as [No. 1967], to receive the wind parallel to the axis.
Windmills are fitted with automatic regulating devices to adjust their angle area and direction to the force and direction of the wind.
Section 96.—WINDING APPARATUS.
(See also [p. 220].)
[2558]. Fusee for round rope.