Leadership

Filter Plant.

Issue 8 and Volume 1892 12.

Filter Plant. The following description and illustrations of a filter plant are given in Engineering: The illustrations show an arrangement of filters constructed by Messrs. J. Halliday & Co., Portland Works, Water street, Newtown, Manchester, for the London and Northwestern Railway Works at Crewe. There are five filters on the one line of pipe, as shown by the elevation and plan (Figs. 1 and 2), and the number could be increased indefinitely to suit requirements. The two cylinders (Fig. 3) of each filter are made of an outer casing of 1/2-inch steel plates, with the bottom of one ⅝-inch plate dished out, while the top plate is inch thick. The bolts are 3/4 inch in diameter and are placed 2 1/4 inches centre to centre. The inside is fitted with two strong cast-iron plates perforated, over which are placed galvanized steel wire wove sheets. There are also four skeleton rings…

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