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SIDE - Online Information article about SIDE |
 | | rail rope by an endless hauling rope at an average speed of 4 to 6 m. |
 | | These towers may be constructed either of wood or iron, and if the exigencies of the work render it desirable, they may be mounted on trolleys and rails, in which case the cableway is rendered portable, and can be moved about, sometimes a great advantage in excavating work. |
 | | Thus the telpher is a self-propelled electric carrier running on a mono-rail, which, according to the conditions, may be a steel rail or a steel cable. |
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