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46 j THE MARINE REVIEW SErVICE The name LUNKENHEIMER Regrinding Valves Symbolizes perfection in design and construction,—the result of years of scientific development under all con- ditions of service. Embodying but few, large and liberally proportioned parts, with the materials formulated especially for the duty. each part performs, durability in the highest degree is assured. The regrindable seating surfaces and the interchangeability of all the parts is a further guarantee for continuous service and permanence in the line. Globe, Angle and Cross, and Horizontal, Angle, Vertical and Swing Check patterns for 200 and 300 pounds working steam pressures. Leading dealers everywhere sell them. Specify LUNKENHEIMER and insist on having the genuine. Write for descriptive Booklet No. 517-FH. THE LUNKENHEIMER ceo: —=“QUALITY "=—— Largest Manufacturers of High Grade Engineering Specialties New York in the World Boston Chicago CINCINNATI London ATT SSS ——— THE OLD FAMILIAR ALL-RUBBER PUMP VALVE Caves in under pressure, loses proper seat- ing in soft condensing stocks. Must be made thick and heavy to withstand high heats, etc. COMPARE Voorhes tub Ste! Valve A UNIFORMLY THIN RUB- BER DISC, SUPPORTED BY A STEEL CORE With continual level seating, positively no dishing, warp- ing or separation of rubber and steel. Best for Marine Con- densing. VOORHEES — RUBBER MFG. CO. Jersey City Please mention Tue Martine Review when writing to Advertisers April, 1919 julbsiiaiaea i estate eed a cease eta thes