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12 . ee MarIiNeE REVIEW So long as there is water to feed, the U. S. Automatic In- jector will keep "your boiler supplied. It is positively auto- matic. Operates at lower steam pressure and works to higher than any other. 100 percent efficiency ---and absolutely no waste. Saves work for the engineer---saves money for the owner. Investigate and you will surely buy the --S pb ease SSS -- Aufom ati C Gan Not Stand Against U.S,6,Co.'s ae - = = Certificate of Range and Gace: it is your en Graphite Paint guarantee of satisfaction. The oi Auto- i i i ; bought from your dealer. Made with pure, inert, air-floated Graphite from our own matic can be g Mexican mines. Unaffected by smoke, water, steam, acids, Engineers' Reliable Red Book, Free heat or cold. Unequaled for gas-holders, roofs, towers, This book is invaluable to every steam fiser. ee Bee ape on coustruenon. The information it contains is accurate, prac- Pe ee Coreg ote auriece. tical, dependable. A postal card will bring a copy to you free. became INJECTOR CO. than any other paint. Recommended by large American -and foreign users. Ask for analysis and Booklet P 4. DETROIT, MICH. Costs Less, Lasts Longer, Protects Better Makers of '"'Moon" Automatic Grease Cups, THE UNITED STATES GRAPHITE CO. 'Never Fail'? Crank Pin Oilers, and full line SAGINAW, MICH., U.S.A. of Water Heaters, Ejectors, Fire Plugs, etc. (aa Ashton Highest Grade Pop Saiety Valves and Steam Gages Guaranteed to give Unequalled Efficiency, Durability and Perfect Satisfaction. Special Features in valves. Outside Pop Regulation. Cam Lever Attachment. Jessops Steel Spring. Gages have Non-Corrosive Movements. Accurately Graduated Dials. Seamless Drawn Springs. Specify the Ashton and Get the Best. THE ASHTON VALVE COMPANY. 271 Franklin St. = BOSTON, MASS, Branches : New York. Chicago. Philadelphia. San Francisco.