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a4 TAE MaRINE REVIEW The Penberihy Automatic Injector. Has Stood The Test Of Time For over 19 years, the Pen- berthy Automatic Injector has held its place as the standard injector of the world. During each one of these years, it has become more firmly intrenched in the esteem of the engineers of America. Today there are more ~Penberthy Automatic Injectors in use than all other makes of automatic injectors combined. The Penberthy 'Engineer and Fireman", a 32-page ma- gazine for engineers, sent free on request, Write for it and our illustrated catalog -- of injectors, oilers, and other engine-room specialties, PENBERTHY INJESTOR CO., Largest Manufacturers of Injectors in the World 351 Holden Avenue DETROIT MICH., U. S, A. J MADE IN CANADA BY THE PENBERTHY INJECTORCO., Lrp., WINDSOR, ONT. No More Leaking Valves No more regrinding, no more renewing HIGH Valve Discs to stand 450 pounds steam pressure in any length of time. RESISTANGE Special Discs With Complete Elasticity Three U.S. Patents. with nickel mantle, for su- perheated steam up to 850° F. Sheet Packing for Gaskets, Flanges, Air Pumps, Valve Stems and Bonnets, etc., for any tem- perature and pressure. Positively no more trouble. EKERT HIGH RESISTANCE STEAM MATERIALS CO. DAYTON, OHIO. Automatic Injectors The U. S. Automatic Injector isn't "the Best " simply because the U.S. Government adopted it. The U.S. Government "adopted the U. S. = Automatic because it is (ne beast. Scientific tests prove that the U. S. Automatic has 100 per cent effici- ency, that it is ideally perfect, that there is absolutely no waste. 'Continuous use has demonstrated the U. S. Automatic the most re- liable and trustworthy Injector on the market, That's why over 200,000 enzineers endorse it as the Best. Note these Facts: --The U. S. Automatic has wider range, feeds hotter water, 1s the only injector with a drip cock--a mighty valuable feature, and the only injector accompanied by a bona fide certificate of range and capacity, Want more fac's? Write for the Engineer's Red BooX--Sent Free! This modest little booklet dzals in facts --not theories. Jt has proved helpful to tiousaads of eaginzers. It will prove valuable to you. Free for the asking. ss -- ae American GF Injector Co. Detroit,