Popular science monthly . BOILER HOUSE- .tSUPPLIES STEAM ftFOR ROCK DRILLS. There will benothing left toinjure the bottomplates of the oval: Theriver is shown re-entering the exca-vation after com-pletion of work the Black Rock Dam, near Buffalo, itwas necessary to ha\e three fifteen-inchwrecking pumps in continual the drained area on the eastside of the Hudson is noisy with anincessant chorus of drills, with the oc-casional counterpoint of a heavy the carving of the slips or water-ways is completed, there will be no ob-structions to injure the bottom pla
Popular science monthly . BOILER HOUSE- .tSUPPLIES STEAM ftFOR ROCK DRILLS. There will benothing left toinjure the bottomplates of the oval: Theriver is shown re-entering the exca-vation after com-pletion of work the Black Rock Dam, near Buffalo, itwas necessary to ha\e three fifteen-inchwrecking pumps in continual the drained area on the eastside of the Hudson is noisy with anincessant chorus of drills, with the oc-casional counterpoint of a heavy the carving of the slips or water-ways is completed, there will be no ob-structions to injure the bottom plates of vessels floating there. The piers willbe one thousand and fifty feet in length,and one hundred and fifty feet in interesting feature about thepiers is that only a small part of theirlength will be supported by actual con-tact with the underlying rock. The re-mainder will float, and the anchoragewill be the grip which the piles have onthe semi-fluid mud of tl^e river bottom. Some New Ideas Which Automobilists Are Employing
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
