Transactions . 56.—Elevation and Plan of Tension and Discharging Station. The tension on the ropes is obtained with a 3-ton weightacting through multiple gear, giving a constant effective pullof G tons on each side of the cable. The gear consists of a longvertical worm-rack, on to which the weight is hung, and whichengages with a corresponding worm-wheel fitted to the drums 224 COAL-SHIPMENT AXD THE LAYIXG-OUT OF STAITHE HEADS. of a capstan, the arrangement automatically taking up or allow-ing for variations in the length of the rope due to temperature,etc. The coal is weighed in buc


Transactions . 56.—Elevation and Plan of Tension and Discharging Station. The tension on the ropes is obtained with a 3-ton weightacting through multiple gear, giving a constant effective pullof G tons on each side of the cable. The gear consists of a longvertical worm-rack, on to which the weight is hung, and whichengages with a corresponding worm-wheel fitted to the drums 224 COAL-SHIPMENT AXD THE LAYIXG-OUT OF STAITHE HEADS. of a capstan, the arrangement automatically taking up or allow-ing for variations in the length of the rope due to temperature,etc. The coal is weighed in buckets by a Fairbanks scale, sus-pended on a section of the 1 1 ii P\ 1i


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Keywords: ., bookcentury1800, booksubjectmechan, booksubjectmineralindustries