Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 822
rise and carry with it the cone, which, bynarrowing the orifice of the outlet, checks the flow of gas. Similarly, adecrease of pressure in the mains would be followed by the descent of thecone, and consequently freer egress of gas. In hilly towns it is necessary 49 77° COAL-GAS. to fix regulators… … Fig. 349.— The Gas Governor, -of water one-fifth of an inch high, the pressure being least at the lowestpoint. Coal-gas is a mixture of several gases, and these may be classified as,first, the light-giving gases, or those which burn with a luminous flame;secondly, gases which burn with a…
Inventions
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