Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 837
erefound them putting shoes onto the worn blocks.Ihey were nailed on, too-nailed we called it. In 1856 cast-iron shot-s were fastened to thewooden heads, and while these would not get onfire as easily as the wood, they would get hotenough to set fire at limes ; it was not a very un-common thing to… … perhaps. Wood was in general use except on ironcoal cars, uali and oak being generally used;their use were discontinued on account of theirtaking fire and burning out on our mounlaingrades. Wrought-iron shoes riveted to c^tst-iron blockssuperseded the wooden shoe. We never usedsledge brakes.…
Railroads · Locomotives
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-399-222.webp)
