. Official proceedings . Designed to give uniform stress conditionsthroughout entire body of lever. Levers aredrilled from templets and exact spacing be-tween holes is thus assured. Drop forging makes all levers uniform. Lighter in weight with increased strength. Schaefer Equipment Co General Offices: Koppers Bldg., Pittsburgh, Type CSignal Valve A SUPERIOR AIR SIGNAL VALVE Signals Always Distinct—No Interference or Overlapping Consistently Positive Operation—Long or Short Trains Wear Does Not Affect Consistent Operation Maintenance Costs Are Very Low Westinghouse Air Brake Company GENERA
. Official proceedings . Designed to give uniform stress conditionsthroughout entire body of lever. Levers aredrilled from templets and exact spacing be-tween holes is thus assured. Drop forging makes all levers uniform. Lighter in weight with increased strength. Schaefer Equipment Co General Offices: Koppers Bldg., Pittsburgh, Type CSignal Valve A SUPERIOR AIR SIGNAL VALVE Signals Always Distinct—No Interference or Overlapping Consistently Positive Operation—Long or Short Trains Wear Does Not Affect Consistent Operation Maintenance Costs Are Very Low Westinghouse Air Brake Company GENERAL OFFICE AND WORKS WILMERDING, PA. Malleable CASTINGS OF UNIFORM QUALITY ARE PERMANENT CURRENT AVERAGE TESTS For 12 Months 910 Consecutive Heats Tensile Strength Yield Point Elongr. %Lbs. per sq. in. Lbs. per sq. in. in 2 in. HIGH 61370 40420 LOW 56490 37210 AVERAGE 58344 38494 This Trade-mark is your security onRailroad Car Castings Send Blue Prints for Estimates Fort Pitt Malleable Iron Company PITTSBURGH, PA.
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