Factory and industrial management . 0 tons can be carried from one end of the canti-lever to the other, passing between the rigid legs on the pontoon sup-porting the cantilever or placed on the pontoon itself. When thesedetails, which make the floating crane almost as stable as a land der-rick, are considered it will be understood why a crane like this onecan cost as much as $225,000. The locomotive, one of the most economical tools for handlingmateria], has not been described here as its uses are more generallyknown than other kinds of machines. When the Manhattan Elevatedintroduced thethird


Factory and industrial management . 0 tons can be carried from one end of the canti-lever to the other, passing between the rigid legs on the pontoon sup-porting the cantilever or placed on the pontoon itself. When thesedetails, which make the floating crane almost as stable as a land der-rick, are considered it will be understood why a crane like this onecan cost as much as $225,000. The locomotive, one of the most economical tools for handlingmateria], has not been described here as its uses are more generallyknown than other kinds of machines. When the Manhattan Elevatedintroduced thethird rail, theysold off nearlyall the old loco-motives to con-tractors and oth-ers, some goingto Japan and infact pretty near-ly all over theworld. Thetraction locomo-tive pulling a bigload of logs inNew York State(page 207) isprobably not sofamiliar, nor isthe use of thecompressed -airengine so wellknown. Whilethe compressed-air engme can ^ ditching excavator in operation. be used in many The Municipal Engineering & Contracting


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Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectengineering