... proportion of 680 to 1,000. It is extremely dangerous, as it gives off an inflammable gas at ordinary temperatures. Benzine, which we use to clean clothes, is practically the same as petrol, and should be treated with equal care. The function of a carburetter is to reduce petrol to a very fine spray and mix it with a due quantity of air. The device consists of two main parts (Fig. 44)—the float chamber and the jet chamber. In the former is a contrivance for regulating the petrol supply. A float—a cork, or air-tight metal box—is arranged to move ... — How it Works • Archibald Williams
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