ttained by setting through the slot in the bearing, A, serves to regu- late the height of the machine to suit the different set screws, J, so as to hold the machine on the hub them up forcibly against the work with the wrench without shifting its position. When it is desired to kinds of hubs.… … may be bored perfectly true, and fit upon the shoul- inserted In the holes, E, in the scroll-plate, which is materially lessen the time and labor heretofore ex- ders of the spokes without straining the tenons; pended on this portion of the wheelwright's duties. revolved nntil the chucks, I, open…
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