Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 116
life of eighty to ninety daysand after being removed was used on small derricks, etc. The Lidg-erwood High Speed Cableway. With long spans, thetime required to move the carriage along the cable at speedsup to 600 or 800 ft. per minute made horizontal transporta-tion a large item in the cost of… … Fig. 44. Sewer Cableway. 112 HANDBOOK OF CONSTRUCTION PLANT position on the cabie. The effect of impact being somewhatproportional to the square of the speed of the moving load,the necessity for radical changes in equipment that wouldmeet an increase in running speed of two hundred per cent…
Contractors' operations · Building
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