. The Street railway journal . FIG. 3. -ELEVATED BARRELS AT WHEATON FOR FILLINGTANKS IN CARS FIG. -MIXING TANK FOR CALCIUM CHLORIDEAT THE CAR HOUSE over the line. At such a time cars are equipped with the cansat the barns and are kept in operation continuously as long asthe storm continues. The expense of installing the apparatus,as may be seen, is comparatively small. After once installed,about the only additional expense is that of supplying the cal-cium chloride. As one gallon of the solution, containing 73^jibs, of the chemical, is necessary per mile of treatment, the costper mile at t
. The Street railway journal . FIG. 3. -ELEVATED BARRELS AT WHEATON FOR FILLINGTANKS IN CARS FIG. -MIXING TANK FOR CALCIUM CHLORIDEAT THE CAR HOUSE over the line. At such a time cars are equipped with the cansat the barns and are kept in operation continuously as long asthe storm continues. The expense of installing the apparatus,as may be seen, is comparatively small. After once installed,about the only additional expense is that of supplying the cal-cium chloride. As one gallon of the solution, containing 73^jibs, of the chemical, is necessary per mile of treatment, the costper mile at the usual market price of one dollar per 100 lbs. forthe calcium chloride is only yT/2 cents. This expense is neg-ligibly small compared with the benefits obtained. THE STRENGTH OF TIMBER TREATED WITHPRESERVATIVES With the increasing use of timber, preserved in one way oranother against decay and fire, it is important to determinethe effect which the preserving process has upon the strengthof the preserved timber. Many engineer
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
