years has proved the unfailing efficacy of the simpler whatever for extracting the lighter or finer impurities, has been made to find a substitute for one of the gases, treatment, which consists in watering abundautly with hot which defy filtration, and which once incrusted in a boiler Street gas,… … of the bowls or receivers. shut off, is said to occur but rarely, and with proper care it need never happen. However, to prevent all The heater is easily cleaned in a very few minutes, even serious results of such an explosion, the rubber caps while the engine is running, by opening the valve in…
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