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For Condenser Efficiency » » » Check Water Temperatures with ‘'YCOS Tycos Thermometers installed on inlet and outlet lines make it easy for the ship engineer to watch his condenser circulating water temperatures. They warn him when the inlet temperature rises so that the flow must be increased to prevent a lowering of vacuum. They show when the temperature drops so that he may reduce the flowlor volume and save his pumps. A Tycos Thermometer on the outlet line gives the engineer an accurate check on the condition of his condensers. If the tubes become clogged, the temperature rise is shown im- mediately and pumps can be speeded up to force the required amount of water through the remaining tubes. There is a warning of possible suction screen trouble. There are T'ycos Thermometers, Pyrometers, Pressure Gauges and Control Units for every marine application. Install Tycos Instruments and increase the efficiency of your equip- ment. Write for Catalogs. laylor Instrument Companies ROCHESTER, N. Y., U.S. A. In Canada In Great Britain Taylor Instrument Companies Short & Mason, Ltd. of Canada, Ltd., Toronto London, E-17, England [ycos Instruments for Marine Use DEAN BROS. MARINE PUMPS ‘“‘The Dean of Pumps on Land and _ Sea’’ Single Style & Duplex Piston Type & Plunger VICTORY LUBRICATED AIR COCKS For Hard Service Figure No. 2311 Horizontal Single Style Double Acting Outside End Packed Plung- er Trombone Pot Valve Pump For Boiler Feed & Pressure Service. in Shipyards and Foundries FSTABLISHED [869 DEAN BROS. COMPANY MANUFACTURERS OF PUMPING MACHINERY FOR ALL PURPOSES 323 WEST TENTH ST. /NDIANAPOLIS /ND. Write for particulars THE HAYDENVILLE CO. Haydenville, Mass. MaRINE REview—April, 1931 103