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August, 1925 Cummings Combination Counter & Telltale Officially approved as conforming to Emergency Fleet Technical Order No. 104 IMMEDIATE DELIVERIES Continuous Rotary eight figure large numeral counter with"no trouble- some reciprocating parts. Countershaft geared down | to 10 of main shaft. Positive counter with adjustable friction-drive telltale, 9-inch dial. Same hardened steel counter as used by U. S. navy on all destroyers, battleships, etc. To determine R. P. M. hold watch in one hand and telltale on zero with other hand, release and stop after interval of 60 seconds. We also furnish driving mechanism from main shaft to counter. Cummings Machine Works 255 Atlantic Ave. BOSTON, U.S.A. Look into the Reilly Heater se @¢ @ © © © © © @ #.# Note how little space it occupies; how easily in- spected; how each coil is shaped like a spring, pre- venting expansion strains on the joint. There are many other advantages of the Reilly Heater that you will be interested in reading about. Bulletin 511 tells the story. Send for a copy. The Griscom-Russell Company 2121 West Street Building jv NEW YORK MARINE REVIEW American Marine Exposition— including Ports and Transportation NE of the greatest opportunities or rallying points ever presented to the Marine Industry to establish itself in the economic life of America will be during Marine Week, Nov. 9 to 14th, thru the American Marine Exposition, including Ports and Transportation. Fifteen important Marine Societies, embrac- ing all the technical and non-technical personnel of the industry,—Owners, Operators, Builders, Architects, Engineers, Standardization, Port Authority, Equipment Manufacturers, and Operation, will convene in New York City during Marine Week. Thus will be gathered together the largest marine group probably ever assembled in any American City at one time for discussing the basic needs of the industry. This representa- tive gathering will be receptive to new ideas and have a keen mind for studying the latest developments of the industry. An exhibit of a ship model contest by the Boy and Sea Scouts of America will focus the attention of over a half million young Americans on the Marine industry. Interesting exhibits depicting the air and sea forces of the U. S. Navy, the services of the Department of Commerce, the achievements of the War Dept. Army Engineers and Inland Waterways Services, together with the unusual exhibits now being built by the members of the Association will present an Exposition that should receive the active co-operation of every person connected with the marine industry. Executives, sales and advertising managers of ports, owners, operators, ship builders, builders of marine equipment and others who believe in “educating the masses’’ while at the same time ‘“‘selling the individual’’ will do their organization an injustice unless they fully investigate the Exposition and make every effort to give it support by reserving a booth even though it requires economies in other directions. No salaries nor commissions are being paid as the American Marine Exposition including Ports and Transportation is being staged for the sole benefit of the extensive and important Marine Industry... Complete information will be supplied on request by the Marine Review, Cleveland, Ohio. American Marine Association 15 Park Row New York Please mention MARINE REVIEW when writing to Advertisers OT