See also [No. 144].

[Larger plate.]

Section 35.—ELASTIC WHEELS.

Wheels with rubber tyres are the common form. Wheels with a loose flat tyre outside a fixed tyre and with various forms of springs inserted between the tyres. (See Springs, [Section 80].)

[609]. Huxley’s wheel, with spring tyre and jointed spokes.

[610]. Wheel with double tyres and intermediate springs.

[611]. Two plans of bent spoke, spring formation.

[612]. Two plans of bent spoke, spring formation.

[613]. Has an outer elastic tyre and an inner rigid ring, to which the tension or compression springs are fixed.