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i February, 1919 THE Perfect Balance Regardless of Pressure Conditions The Yoke Chronometer Valve has an outside yoke, which, with a set screw, forms a bearing for the end of the stem, regulating the closeness of contact of the valve with its seat and consequent friction, so that varying degrees of sensibility may be obtained, according to the requirements of the service. The valve is thus perfectly balanced regardless of pressure conditions. It is also fitted with a stuffing box. When close regulation and easy working are essential, or a possible leakage around the stem under high pressure would be objectionable, the Yoke pattern should be used. For high-pressure steamship work the Yoke pattern valve is made in all sizes, extra heavy, with MARINE REVIEW “GENUINE” TRADE-MARK Coes OEY Wrench Uncle Sam’s First Aid in Construction Made in 28".36"-48", This wrench was de- signed to fill the gap be- tween the 2/-inch and the heavy spanner: wrench for large work. It will not batter and jam a large nut as will a chain wrench. It will not slip or make trouble and will take any- thing within its opening capacity, no matter whether square or hex- 195 flanged ends. Union Water Meter Co. Incorporated 1868 133 Hermon St., Worcester, Mass. agon. Made of heavy steel forgings, fully hardened, and each wrench tested before shipping, to assure freedom from flaws. Aaa Hi In the Key wrench we have the finest engine room tool ever made. It is self contained. The key cannot come off, and the two positions for jaw straps assure its going into corners without trouble. The wrench is hardened by a special process, used by Mr. Coes for many years and this process, like all the other things about this line, is the result of long and earnest experi- ment. ion MOORING FIXTURES GENERAL MARINE CASTINGS Mooring Posts, Belay Posts, Snubbing Posts, Bitts, Bollards, Capstans, Chocks, Deck Scuttles, etc. Con- venient locations of our Foundries enable us to make prompt shipments. The Central Foundry Company’s Cast Iron Mooring Fixtures were used throughout the Panama Canal and are used extensively by the United States Government. Let us quote on all your requirements. EMERGENCY FLEET STANDARDS Warranted free from mechanical defects. Pat- ented and registered. Each wrench stamped with maker’s name, etc. 28" opens 53", weighs 19 Ibs. 36" opens 64", weighs 28 Ibs. 48" opens 94", weighs 62 Ibs. Ask Your Jobber Use For Cast Deck, = Dock ee se | | ees ONT Me we Pe 1 Coes Wrench Company | — _ CENTRAL FOUNDRY COMPANY 22252 || woRcESTER, MASSACHUSETTS, U.S. A. 3 '~ NEW YORK, CHICAGO, ATLANTA, DALLAS, SAN FRANCISCO. BAL 4 ea ORB, MD.~ LANSDALE, PENN L~IDMED. TON, ALAYBES Ss EMER, ALA-HOLT, ALAYING ENNES, IND. Please mention Tue Marine Review when writing to Advertisers