Popular science monthly . king steel-sheet jiilingshad been <lri\en. When leakage oc-curred at that i)oint it was suggestidthat the crevices be plugged by means offluid cement or grouting. The hea\\exjiense of this remedy caused hesitation,and resort was made to another exjiedi-ent, this latter proving an effectise and cheap way of hailing the water. Tobegin with, a timber i)ile twelve inchesin diameter was drivi-n down into thespace back of the old cribbing, and thenwithdrawn, leaving a hole. This ca\itywas filled with a wadding composed ofsuccessive layers of earth, sawdust andmanure, dri
Popular science monthly . king steel-sheet jiilingshad been <lri\en. When leakage oc-curred at that i)oint it was suggestidthat the crevices be plugged by means offluid cement or grouting. The hea\\exjiense of this remedy caused hesitation,and resort was made to another exjiedi-ent, this latter proving an effectise and cheap way of hailing the water. Tobegin with, a timber i)ile twelve inchesin diameter was drivi-n down into thespace back of the old cribbing, and thenwithdrawn, leaving a hole. This ca\itywas filled with a wadding composed ofsuccessive layers of earth, sawdust andmanure, driven down hard by the pilewhich served the double purpose oframrod and plug. In this fashion,a row of wooden pilings anil an eiiualnumber of water-tight wads were dri\endeep into liie underK ing earth, sutlicient to stop all leaks. Alittle seepage, howe\er, came up fromtile bare ri\er bed, but a small pumj) wassufficient to handle it. At Havana,pumps had to work constantly, and at Popular Science Moiithh/ 539. BOILER HOUSE- .tSUPPLIES STEAM ftFOR ROCK DRILLS
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
