. Electric railway journal . of DavisApparatus as charted below: 1 907 ■ 1909 nm 1911 HBHR^HBHI SiraSBfflSZBBEnSHHIl 1913 1H—— 1914 ————^^^— 1915 SB&BgSBftSSXQMSagHaCTnBUHUaHMHMBBHSI 1916 nHBHifflfflBnanBBHHnBBnai^HBnnBBaHBBin 1917 MlBlMBHIHHHBBMI^MflBMMIfflWIM^MIMM^BHMMiMIHlilIHPIHKl to June 30. 1917. only. 6 mos Davis Apparatus Leads the World in Range, Efficiency and Number of SuccessfulUsers. Write for bulletins and information showing why it is used by the largest steelmills, foundries, ship-yards, locomotive and car builders, U. S. Navy Yards and govern-ment works, mines, sheet metal wor
. Electric railway journal . of DavisApparatus as charted below: 1 907 ■ 1909 nm 1911 HBHR^HBHI SiraSBfflSZBBEnSHHIl 1913 1H—— 1914 ————^^^— 1915 SB&BgSBftSSXQMSagHaCTnBUHUaHMHMBBHSI 1916 nHBHifflfflBnanBBHHnBBnai^HBnnBBaHBBin 1917 MlBlMBHIHHHBBMI^MflBMMIfflWIM^MIMM^BHMMiMIHlilIHPIHKl to June 30. 1917. only. 6 mos Davis Apparatus Leads the World in Range, Efficiency and Number of SuccessfulUsers. Write for bulletins and information showing why it is used by the largest steelmills, foundries, ship-yards, locomotive and car builders, U. S. Navy Yards and govern-ment works, mines, sheet metal working factories, tube and barrel welders, scrap yards,and in hundreds of small repair shops and garages. DAVIS-BOURNONVILLE CO. General Offices and Factory, Jersey City, N. J. NEW YORK PITTSBURGH #t*2s!flG| CHICAGO SEATTLE BOSTON CLEVELAND I DETROIT SAN FRANCISCO PHILADELPHIA CINCINNATI »^5PARATl^lfj1 ST LOUIS TORONTO, ONT. ^SioMESKIKiiTLE^J!^ (Carter Welding Co.) July 7, 1917] ELECTRIC RAILWAY JOURNAL 47. This cars recordpoints the way For years we have pointed out to railwajmen that Hess-Bright ball bearings were essen-tial in order to realize the maximum economyaccruing from the use of ball bearings. This cars record lends striking emphasis tothe superiority of Hess-Brights in railwayservice. On this 52,000-lb. car Hess-Bright bearingshave been in operation for 200,000 car miles No. 74 motors, 65 hp. When removed the bearings were measuredfor wear, with the following results: The pinion bearing only .009 radial freedom The commutator bearing .. only .0014 radial freedom A slight grinding and polishing of the racegrooves will make the bearings practically asgood as new and ready for another 200,000miles of typical H-B service. Hess-Brights Conrad PatentsAre Thoroughly Adjudicated HESS-BRIGHT PHILADELPHIA
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
