rious that class in which a tank or reservoir is partially filled the arrows, first entering the governor at the bottom natural conditions and upon the size of the mains. with a solution of sodium bicarbonate, into which is The gas-companies, moreover, in order to supply the opening, then passing… … blocks pivotally connected with the ends of a lever. One end of the lever has a handle carrying a hand- THE HAYWARD AUTOMATIC GAS-GOVERNOR. lever for operating a spring-pressed catch and locking the handle in position. When the hand-lever is consumers at the ends of their lines, are compelled to…
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