Kirkman, Marshall Monroe, 1842-1921 · New York, Chicago, The World Railway Publishing Company · leaf 218
214 FINANCING, CONSTRUCTING, MAINTAINING. the tie through the spike hole, it will be found that the fibers have sprung back until the hole is nearly half closed ; they will also be found to be perfectly pliable, having lost almost all power of adhesion ; they … depth that the spike will Cross Tie, whole log, hewn both sides. be driven in the wood. This prevents injury to the fibers and increases adhesion, which latter is the principal point gained by boring holes. A spike with a diamond point will give better satisfaction than the or- dinary chisel…
Railroads · Transportation
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