Show ingenious alie driver there has been employed on numer os 9 occasions by members of tho the angl ticer corps utmost a most ingenious pile driver winch which nets acts with great brent speed on two sides of the pile one inch gas pipes aro placed in longitudinal grooves at the lower lowee end tile pipes are furnished with nozzles inclined inward toward foward the point of the pile A force pump drives water into the pipes pipe s und and the water bacr issuing from the nozzles under a proa pres sure of 70 pounds to the square inch rei noves the dirt so rapidly beneath the pile that it sinks three bitties as aa fast ns its if hammered liam by a pile driver Wash washington logton star |