. The Architect & engineer of California and the Pacific Coast . aterproof-ing of the basement of the Royal Insur-ance building in San Francisco. Thisbasement being sunk in what was oncethe bay of San Francisco, is thirteen inches below the level of the floor of some of the pits is subjectto a lifting pressure of 800 pounds persquare foot. This entire basement waswaterproofed on the inside surfaces ofwalls and floors by the hydrolithiccement systein. The waterproofing isalways exposed and easily repaired incase of damage by earthquake or fire,and much floor space was gained. T
. The Architect & engineer of California and the Pacific Coast . aterproof-ing of the basement of the Royal Insur-ance building in San Francisco. Thisbasement being sunk in what was oncethe bay of San Francisco, is thirteen inches below the level of the floor of some of the pits is subjectto a lifting pressure of 800 pounds persquare foot. This entire basement waswaterproofed on the inside surfaces ofwalls and floors by the hydrolithiccement systein. The waterproofing isalways exposed and easily repaired incase of damage by earthquake or fire,and much floor space was gained. The new company will also representthe Mound City Roofing Tile Company,and the Detroit Steel Products Com-pany. Mr. Dwan caine to San Franciscoabout two years ago and was connectedwith the Willkomm Building SupplyCompany, as treasurer of that corpora-tion, until its dissolution last month andhas made many staunch friends by hisearnestness and frank good fellowship. When writing to Advertisers mention this Magazine. 124 The Architect and Engineer JUST THE THING!. A MACHINE that is GUARANTEED toProduce an Even. Smooth Surface on AnyKind of Wood Floor, Old or New. Hard orSoft, in Residences, Stores, Factories, Bowl-ing Alleys, Dance Halls, Etc. Architects and Contractors endorse the SCHLUETER RAPID FLOOR SURFACER (Sand Paper is the only perfect way to surface a Wood floor) Write for Descriplive Circular .nd Price List INLAID FLOOR COMPANY 398 EDDY ST., SAN FRANCtSCO For the Manufacture of CompositionFlooring,Sink and DrainBoards, White Artificial Stone,Artificial Granite,Outside Staff Work,Cement MouldBackings,Glazed Brick, etc.,USB MAQNESITE Rlreproof — Waterproof Made in California by the CALIFORNIA MAGNESITE CO. Slauson Ave. and Regent Angeles California OIL BURNER OUTFITS for* all Pui-poses Xsraifi S. T. JOHNSON CO. 1334 MISSION ST. TEL. MARKET 2759 SAN FRANCISCO ARCHITECTS SPECIFY NILESSAND FOR FIRST-CLASSCONCRETE MIXTURE ALSO ASK FOR OUR Superior Roofing Gravel (Used
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