. Railway and Locomotive Engineering. ng to observethe complete success of the Moorewaterproofing system for reports from the Pennsylvaniarailroad and Hudson river tunnels at-test the perfect efHciency of the prod-ucts of the Moore Mica Paint Com-pany in solving a problem that hasbaffled many eminent engineers. As jswell known the vibration of heavytrains in tunnels has a tendency to pro-duce cracks in the best kinds of cementwork, and tlie inevitable leaking of solidifies and cements the mass to-getlier, not only completely closing theleakage, but greatly increases thestrcnth of t
. Railway and Locomotive Engineering. ng to observethe complete success of the Moorewaterproofing system for reports from the Pennsylvaniarailroad and Hudson river tunnels at-test the perfect efHciency of the prod-ucts of the Moore Mica Paint Com-pany in solving a problem that hasbaffled many eminent engineers. As jswell known the vibration of heavytrains in tunnels has a tendency to pro-duce cracks in the best kinds of cementwork, and tlie inevitable leaking of solidifies and cements the mass to-getlier, not only completely closing theleakage, but greatly increases thestrcnth of the structure to which it isapplied. As will be observed, it may be read-ily applied to any position or to anypoint of the structure treated. Theforce of the compressed air projectsthe compound into the remotest partsof the crevices and is of such a naturethat no lime or alkali has any effecton the hardened material. It may bestated that among the ingredients com-posing the compound fused mica formsan important part, which largely in-. .MOORIC \V.\TKRPKOOFI.\G .VPPLIANCE. water through the cracks were a sourceof repeated annoyance and expensefrequently involving a complete stop-page of traffic while repairs were beingeffected. The worst feature of suchrepairs was the almost constantly re-curring trouble, as surface cementingover such leaks proved invariably atemporary makeshift. The accompanying illustration showsone of the new machines in machine has been purposely en-larged in the drawing to show the de-tails. Its purpose is to force thewaterproofing compound into a porousconcrete wall. The compound forcesback and displaces the water and aftercompletely filling up all crevices it duces the formation of the substantialstructure which in no single instancehas been found to fall short in its de-sired effect. The Moore Mica Paint Company,76 William street. New York, reply to any inquiries in regardto the application of their process tothe work for which it
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyork, bookyear19
