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About a hundred and twenty cubic feet of h2o per ton of crushed ore might be deemed an ordinary, or eight to 10 cubic ft for each stamp for each hour. The quicksilver is extra just about every hour in the mortar. "The battery drinking water need to enter both equally sides of the mortar in an even amount, and should really be sufficient to hold a quite thick pulp which will discharge freely by way of the grating or display. If you can not afford to flooring the entire of the battery with smooth concrete, at all functions efficiently concrete the flooring of the cleansing-up room, and permit the floor slope to the centre: wherever a sink is provided. Now match the whole pipe, bowl inverted, on to the beneath 1, luting the edges of equally effectively with clay. The adhering to principles will be discovered more skillfully accurate from an engineering standpoint, though the expression "horse-power" is not now commonly utilized. Under the heading of "Power for Mills" the adhering to is taken from the similar resource. The identical remark applies to brass wire fabric and tinned plate. "Screens of distinct products and with different orifices are made use of the elements comprise wire cloth of brass or steel, challenging Russian sheet iron, English tinned plate, and, fairly lately, aluminium bronze.