New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 59
of the clamping shoulders on the disc, when forcedtogether by hydraulic pressure makes a connectionbetween the tire and center which will, it is claimed,prevent slipping of the tire under the most severebrake pressure that can be applied. In case of acci-dental breakage of the tire, the retaining…
Railroads · Railroad cars
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-464-269.webp)
