of the features of besides, many engineers contend that the cost of main- an air-valve at one end of the car, any car or the whole superiority of this car over the caboose of wood is its tenance would be high. One of the advantages claimed train can be dumped either at the side of the track great… … TOWING CANALBOATS BY ELECTRIC LOCOMOTIVES (KOETTGEN SYSTEM). on the line of the draft and pulling strains. The In trestle filling and storage purposes, mineral trans- The Koettgen electric canal haulage system employs one rail in some cases and two rails in others where rigidity thus obtained is…
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