San Francisco : Architect and Engineer, Inc · leaf 75
assage of water toominute to be detected under ordinaryconditions. Among the products which may betested on the tower are ImperviteWaterproofing for cement mortarsand concrete, Pabco Membrane Wa-terproofing Felts, Malthoid Damp-proofing, Floatine and Pabco Bitumi-nous Enamel. ^This department is… … kukiiUv.. [iff iif^fi NOVEL TESTING TOWERBuilt by the Paratfine Co., Inc. The tower is of great value for longterm tests under the pressure whichmay be obtained under the head ofwater carried by the structure. Forhigher heads shorter tests are usuallymade. Suitable apparatus is in thelaboratories…
Architecture · Building
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