. Building and repairing railways ... : Forming one of the series of the volumes comprised in the Revised and enlarged edition of The science of railways, . Fig. 209. CYCLONE WIRE FENCE AND THE MACHINE FOR MAKING IT. 320 BUILDING AND BE PAIRING RAILWAYS, 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
. Building and repairing railways ... : Forming one of the series of the volumes comprised in the Revised and enlarged edition of The science of railways, . Fig. 209. CYCLONE WIRE FENCE AND THE MACHINE FOR MAKING IT. 320 BUILDING AND BE PAIRING RAILWAYS, 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. ^WF^^.. Fig. 210. TERRA COTTA BASE FOR IRON POSTS FOR FENCES AND GUARDS. To completely fence in the right of way, acattle guard is necessary to be placed where thefence line crosses the track at crossings. For-merly cattle guards were mere open pits and thetrack was carried over them on beams of woodwith the edges chamfered. They were found tobe expensive to maintain and have been aban- STANDARDS OF CONSTRUCTION. 321
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1906
