e top of the flat arms, we plane, very finely set, to finish with. The rim of the wheel is a great disparity between them; or it may mean generally |should turn the inside to the finished size, and cut in the having been divided according to the number of teeth re- a small gear wheel. arms, as… … the outer edge of the hard other wheels when required. The extremities of the arms, wood box, the distance, E F, which are to be screwed to the hub, are provided with flanges Fig. 200 is a plan and section of the pattern of a spur on the center line of the for this purpose, the hub being flattened…
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