International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 604
es of plank are called spreaders, andthey are already much in favor. 1756. Stringer Joints.—There are many differentstyles of stringer joints employed on American roads, . ^ rX ^ , ^ ? T t7?! t ■ t^=t^ TT + ^rt^ E 1 1 Fig. 5 Fig. 589. among which those shown in Figs. 588 to 501 have especialmerit,…
Railroad engineering
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