Section 97.—HANDLES, HANDWHEELS, KEYS AND SPANNERS.

(See also [p. 220].)

[2559]. Dished handwheel.

[2560]. Bent handle, with looped end.

[2561]. Handle key for cock.

[2562]. Handwheel lock nuts for a screwed bolt or other fastening.

[2563]. Coned handle.

[2564]. Cranked key or spanner.

[2565]. Loop handle for plain lever.

[2566]. Hinged spanner for tightening nuts or screwed glands, having pin holes or notched edges.

[2567]. Cranked handle, offset.

[2568]. Bow handle. May be fixed or made to swivel.

[2569]. Balanced hand crank.

[2570]. Hand crank, with holes to vary the radius.

[Larger plate.]

[2571]. Locked handwheels for valves, to be movable in a certain order only.