end of the per- The current costs are very small, but little attendance nut fitting the twisted portion. By moving this manent part of the bridge. On each shaft is a sprocket being required. It is stated that the gas costs at the nut upand down while theldevice is held in hand (wheel. Between the… … The tie herewith shown is of wrought or cast iron, and is made of considerable width to prevent its being This invention has been patented by Mr. Charles A. pressed down into the roadbed. It is formed witha _of which is rigidly mounted a cog wheel, engaging with Bryant, P. O. box 61, Wakefield,…
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