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Scientific American, Vol. 15, No. 21 (1866) (1866)

leaf 4

An illustration from Scientific American, Vol. 15, No. 21 (1866), 1866, leaf 4
ng, is one attended Steam is always fresh, and thus all the solid mat- with difficulty. The valve meets the seat alwaysat — ter contained in the feed water, whether it be salt, one point, and if the two are not air-tight at that chalk, or vegetable substance, is left in the boiler, point, a leak is… … liant, and leaving behind it a radiating train of the foot, 226 feet ; '7-foot, 231 feet ; '74-foot, same color. This train, after a few moments, broke 286 feet, and at 8foot stroke, 240 feet into a perfect rain of emerald fragments. The me- With twenty grains of solid matter per gallon of per…

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