to a | | fork on the cock of a gas pipe, will so operate Sev Inventions. | When the small cylinder, G,strikes the bottom, erated—by increasing the number of working parts—to make the Lamp give afull light when | the resistance of the spiral spring, I, is over- it as to give a bright and feeble… … | simple, and they accomplish the objects speci- ing and lessening the gas orifice of the pipe. This wick tube is made with two small rings on it, fied with ease and accuracy. principle of operation covers gas lights, and More information may be obtained by letter those obtained from burning fluids…
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