Kirkman, Marshall Monroe, 1842-1921 · New York, Chicago, The World Railway Publishing Company · leaf 207
TRA CK— CONSTR UL'TION AND E VOL UTION. 203 it necessitates has been thought to be too great for many companies. The so-called metal pot tie is sometimes used on European railways. It is made of cast or wrought iron, dome-shaped. The chair is a part of the tie and the rail is fastened to the chair… … English Fish-belly Rail, New Jersey Railroad, A. D. 1832. is made into little piles or heaps where the ties are to be put in the track. The bowl of the tie is placed over the pile and packed by forcing fine ballast through the holes in the upper part of the bowl. The rails are kept parallel by tie…
Railroads · Transportation
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