. The science of railways . Fig. 208. FLEXIBLE CLAMP USED IN MAKING JONES WIRE Fig. 209. CYCLONE WIRE FENCE AND THE MACHINE FOR MAKING IT. 294 BVtLDIXG AND REPAIRING R^ilLWAYS. place of cedar posts, which have been exclusivelyused until recently, iron posts are now being in-troduced ; the weak point with an iron post is itsrusting in the ground. To overcome this TheIndestructible Post Co., of Brazil, Ind., are mak-, ing terra cotta bases, which are set in the postholes and the inside partially filled with a thingrout of Portland cement; in this grout the ironpost is set, thus leaving o
. The science of railways . Fig. 208. FLEXIBLE CLAMP USED IN MAKING JONES WIRE Fig. 209. CYCLONE WIRE FENCE AND THE MACHINE FOR MAKING IT. 294 BVtLDIXG AND REPAIRING R^ilLWAYS. place of cedar posts, which have been exclusivelyused until recently, iron posts are now being in-troduced ; the weak point with an iron post is itsrusting in the ground. To overcome this TheIndestructible Post Co., of Brazil, Ind., are mak-, ing terra cotta bases, which are set in the postholes and the inside partially filled with a thingrout of Portland cement; in this grout the ironpost is set, thus leaving only that part of thepost which can corrode above the ground whereit can be inspected and painted. Fig. 210 repre-sents this style of base. f
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1900
