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TAE Marine REVIEW 13 Look at this : and then--\,<¥ at that 4 STEAM \ E WV ii THE SIMPLICITY OF THE a 7 WATER AU toma ti Cc ee ote Injector OVERFLOW__, meets the approval of every engineer. The illustration shows the construction in detail and is most convincing evidence why it meets the needs of the steam user better than any other. Every part is accessible and easily cleaned. ll parts are inter- changeable. Duplicate parts can be quickly fur- nished and put in by the user. And don't forget that each U. S. Injector is guar- anteed up to the U.S. Standard--100 percent efficient. That's why it bas the practica] endorsement of the U. S. Government and over 300,000 engineers. Eingineer's Red Book free on request. If you are a steam user you want this valuable book. Postal request brings it free of charge. Write now. AMERICAN INJECTOR CO., Detroit, Mich. e Manufacturers of "Moon" Automatic Grease Cups Never Fail'? Crank Pin Oilers and a full line of Water Heaters, Ejectors, Fire Plugs, etc. The World's Standard Boller Feeder MANUFACTURED BY Penberthy Injector Company, [LARGEST IN THE WORLD] Detroit, Mich., U.S. A. BRANCHES:--- New York,N. Y, London, England. CANADIAN FACTORY--- Windsor, Ontario, Canada. Navigation U. S. Naval Academy, Annapolis, Md. LEARN RIGHT WHILE YOU ARE AT IT A full and complete course of instruction in Lake and Ocean Naviga- tion and Marine and Stationary Engineering. Also special branches taught tho-e desiring to qualify themselves for better positions in the Marine Service. Students taught by correspondence. Students may begin at any time. Diplomas will be issued to all graduates passing satisfactory final examination. Send for Circular. CHICAGO NAUTICAL SCHOOL 224 Yeo MASONIC TEMPLE, CHICAGO, ILL. W. J. WILSON, Principal (Late Lieutenant U.S. N.) Engineering In charge of John G. Kreer, N. A., M. E. Kaitzenstein's Self- Acting Nletal Packing K For PISTON RODS, VALVE STEMS etc. of every description for Steam Engines, Pumps, etc., etc. Adopted and in use by the principal Iron Works and Steamship Companies in this and foreign countries. FLEXIBLE TUBULAR METALLIC PACKING, for slip-joints on Steam Pipes, and for Hydraulic Pressure. For full particulars and reference, ad- dress L. KATZENSTEIN & CO. 358 West Street, General Machinists. New York. A Safe Investment for Engineers' Capital As many of the Engineers have withdrawn their Capital from various Saving Institutions and are looking for safe profitable investment, we are now offering guaranteed Six per cent or over, investment in a Standard Stock Company incorporated under the New York laws, manufacturing a full line of high grade Mechanical Appliances and Supplies with which every Engineer is thoroughly familiar and can judge for himself the value of being a stockholder. This Company has on hand both Municipal and Government contracts and an additional Capital is desired to increase the business. The fullest investigation is invited.--This stock is full paid and non-assessable and may be sub- scribed for and paid in easy installments. We have just issued a Prospectus of this business which we will mail free to any person requesting the same. No subscription too small or too large to be considered. | Any amount invested will be fully secured by plants and patents. Unique Engineering Co., 100 to 102 Hinsdale Street, BROOKLYN, N. Y.