lusion, we consider thisnovel application of gunpowder to bean unqualified success, for the purposeof driving piles, promising as it does, asaving both of time and labor, which should commend its use to all who re-quire machines of this character.We are, respectfully, your obedt servants, W. W. W.… … tnNCAHRE-CO. PHIL*PATENT GUNPOWDER PILE-DRIVEB. 1869.] Descriptions. 133 DRAINING BY WIND WHEELS. THERE are many localities whichmight be made eminently availablefor sites if drained, and an inexpensivemethod of effecting such a purpose isdesirable. In Holland, Wind Wheels have beenmade to answer…
Architecture
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