New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 192
rences of frictional resistance as can be ascribed to thevariation in viscosity of the substances in the ftuid condi-tion, and this difference of friction fails to account for thewell-attested fact that some of the oils are unable to pre-vent excessive heating and cutting on heavy… … REPRESENTATIVE DIAGRAMS—TAKEN IN TESTS OF BALDWIN COMPOUND LOCOMOTIVE. Oil Company, proving that the overheatiog of bearings isdue to areidental abrasion of the rubbinK surfaces causedby the gradual and inevitable variations of the smoothnessof these surfaces by metallic wear. This abrasion…
Railroads · Railroad cars
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