. The street railway review . The screw is of machine steel lJ4 ■ diameter and jO in. long,cut with a No. 4 square thread. The piston is ^y^ in. in nut for the screw is brass. .\lt parts except the links, key,screw and nut are of cast iron. All the oil extracted from the waste in this press is stored in aspare tank, and when opportunity affords a quantity of fullers. fk;. 4-filter press. pressed waste. For holding the cylinder to the base on the sideopposite the hinge a tapered key is driven through links and overa lug on the side of the cylinder. The cylinder is 20 in. high and 1
. The street railway review . The screw is of machine steel lJ4 ■ diameter and jO in. long,cut with a No. 4 square thread. The piston is ^y^ in. in nut for the screw is brass. .\lt parts except the links, key,screw and nut are of cast iron. All the oil extracted from the waste in this press is stored in aspare tank, and when opportunity affords a quantity of fullers. fk;. 4-filter press. pressed waste. For holding the cylinder to the base on the sideopposite the hinge a tapered key is driven through links and overa lug on the side of the cylinder. The cylinder is 20 in. high and 10 in. in internal diameter, with aflange at the top to which is bolted the yoke supporting the screw. Fu;. 5-filter pl.\te .\xp filler. earth is added and the whole is then pumped through the filterpress in Fig. 4. Periodically all the oil in the station is also putthrough this press. This press consists of 12 cast iron plates and 13 wooden distancepieces which are clamped between heavy end castings, as shown in 600 STREET RAILWAY REVIEW. [Vol. X, No. lo. the engraving. Fig. 5 shows a plate (excepting the supportinglugs) and a distance piece with dimensions. The filter plates arecovered with one thickness each of two kinds of filter cloth (matand chain) on which the dirt and impurities arc gathered. Toclean the press the plates are removed, and the earth and dirtscraped o
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
