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"TAE Marine Review ae AUTOMATIC . INJECTORS | Penberthy Automatic In- jector hits the bull's-eye in the approval of the World's engineers in these essential points which makethe perfect injector--Reliability, Sim- plicity, Durability. The Penberthy '*' Engineer and Fire- man," a 32-page magazine for engineers, sent three months free on request. Write for it and our illustrated catalog for engineers. REMI ERY ~ Penberthy Injector Co. Largest Manufacturers of Injectors in the World. 351 Holden Ave., Detroit, Mich., U.S.A. Made in Canada by The Penberthy Injector Co. ; 'Ltd., Windsor, Ont. : a . aap at bs UR A Bis THE ROBERTS SAFETY WATER-TUBE BOILER CO. Manufacturers of -----2 High Grade C= Marine Water Tube Boilers Generators of the Highest Quality of Steam OVER 1500 IN USE Send for circulars V------ and stock sheet ee MAIN OFFICE 39 Cortlandt St. Phone 599 Cortlandt Works: Red Bank, N. J. Phone, 49 Red Bank New York City Cable Address '¢Bruniva" The Injector that Never oD eu Adopted by the U. S. Govt. The supremacy of the U.S. Automatic Injector has been attained solely by. one fact--it is all its name signifies--positively and everlastingly automatic. ' Starts when steam is turned on and is automatic with wide open suction at lower steam than any other. With throttled. pressure it is automatic at any pressure sufficient to enable injector to get the water. ' These are the facts and when it comes to FACTS the U. S. Automatic beats everything in sight--a dependable, reliable, neyer failing injector. Write for tno Engineer's Red Book--free it gives further facts--and is a gold mine of practical informa- tion for the steam user. American Injector Co., Detroit, U. S. A. Makers of "Moon'"' Automatic Grease Cups, "Emergency"' Sight Heed Oil Oups. "Never-Fail" Crank Pin Oilers, and a full line of Bjectors, Water Heaters etc., VERY LITTLE STEAM OR AIR REQUIRED To produce the LOUDEST and MOST HARMONIOUS TONES. LUNKENHEIMER WHISTLES are extensively used in the marine service. Can be adjusted for very low or high pressures. We manufacture a very large variety of Whistles. All sizes. Write for our attractive whistle booklet. Your local dealer should haye them. If not, write us, THE LUNKENHEIMER CO. Largest Manufacturers of High Grade Engineering Specialties in the world. Gincinnati, Ohio, U. S. A. BRANCHES { LONDON, S. E, 35 Great Dover St. GENERAL OFFICES AND WORKS: _ NEW YORK 66-68 Fulton St. 349