water is a well known plug, the tube at its lower part is formed with side tinguished, and for breaking the circuit and holding it fact. In areport made by the State Board of Health arms, between which areports. The upper endof the open while the gas is burning. Tothe burner, near the of New York,… … a filthy pond. Another instance of sickness caused by McVAY’S ELECTRICAL GAS ALARM. impure ice, referred to in the report, is that of an epi- split sleeve. To the sleeve, which is shown in section demic of dysentery which occurred in 1879 at Wash- the shell of the boiler, which is normally closed…
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