International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 380
ece of f-inch round iron sharpened at one end, is driven tofasten the logs together. The bolt should be of sufHcientlength to pass through three logs. A hole of slightlyless diameter than the bolt is bored to receive the bolt. Acompartment filled with stone is shown at O. 1536. Paving.—Paving as… … Fig. 458.sized stone of fairly regular shape and even beds, the bedsbeing laid perpendicular to the slope of the embankment,and when finished the whole to present a fairly uniform sur-face. The slope of the embankment should be smoothed andwell rammed before the paving is laid. A foundation course…
Railroad engineering
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