Mechanical Contracting & Plumbing January-December 1909 . No awkwardturning backover threadsin closequarters. 1375 East Third St. THE HART MFG. CO. Cleveland, O., The Gurney-Oxford Economizer^ Patented and licensed for use with the Gurney-Oxford apparatus only A Really Wonderful Invention C. Its a new system of draft control that saves20% of the fuel. One lever only to control fire. C. It takes the place of the first smoke elbow ontop of a hot water boiler, saving fifty cents to a dollarfor the fitter. C. We are marketing it so, that it carries a furtherprofit for you—The man who secure
Mechanical Contracting & Plumbing January-December 1909 . No awkwardturning backover threadsin closequarters. 1375 East Third St. THE HART MFG. CO. Cleveland, O., The Gurney-Oxford Economizer^ Patented and licensed for use with the Gurney-Oxford apparatus only A Really Wonderful Invention C. Its a new system of draft control that saves20% of the fuel. One lever only to control fire. C. It takes the place of the first smoke elbow ontop of a hot water boiler, saving fifty cents to a dollarfor the fitter. C. We are marketing it so, that it carries a furtherprofit for you—The man who secured the contract. C Write us for further details—we promise youstartling evidence. Shipped on approval with every Oxford boiler THE GURNEY FOUNDRY Company, Limited, TORONTO HAMILTON, MONTREAL, WINNIPEG, CALGARY, EDMONTON, VANCOUVER PLUMBER AND STEAM FITTER April 15, 1909. The Webster Modulation System ADVANTAGE OVER HOT WATER SYSTEMS Smaller piping, fittings and valves. FORTY PER CENT. LESS RADIATING SURFACE. Absence of air valves. Less labor to install. Further, by reason of the increased efficiency, the quicker circula-tion, the absence of air binding, and the quicker response of theWEBSTER MODULATION VALVE which prevents overheating,the fuel cost is less. THE WEBSTER MODULATION SYSTEM is an ideal system for Apartment Buildings, Warehouses, Hotels, etc. Write for Section XV-M DARLING BROS. Ltd., 15 Ottawa St., MONTREAL Toronto, Ont. St. John, Winnipeg
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