. The elements of railroad engineering . ocketsare lined with sheet iron or steel. The gauge line of thetrack is commonly placed 5 ft. from the face of the coalpockets, and the bottom of the pockets at their connectionwith the spouts 12 ft. above the rail. A turntable, as shown in Fig. 638, is a platformusually from 50 to 70 feet long, and from 8 to 10 feet wide,upon which a locomotive and tender may be run and thenturned horizontally through any portion of a circle, and thusbe transferred from one track to another forming any anglewith it. The table is supported by a pivot un
. The elements of railroad engineering . ocketsare lined with sheet iron or steel. The gauge line of thetrack is commonly placed 5 ft. from the face of the coalpockets, and the bottom of the pockets at their connectionwith the spouts 12 ft. above the rail. A turntable, as shown in Fig. 638, is a platformusually from 50 to 70 feet long, and from 8 to 10 feet wide,upon which a locomotive and tender may be run and thenturned horizontally through any portion of a circle, and thusbe transferred from one track to another forming any anglewith it. The table is supported by a pivot under its cen-ter, and by wheels or rollers under its ends. Beneath theplatform is excavated a circular pit 4 or 5 feet deep, havingits circumference lined with brick or stone masonry 2 feetin depth, and capped with either cut stone or wood. Thediameter of the pit in the clear is about 2 inches greaterthan the length of the turntable. The masonry lining isusually built with a step (see elevation B\ which supports 1286 RAILROAD
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
