d by stopping up one or more of the air passages, a, of the through the fixed core; and, by the spring, d, pressing on a larger pipe, 13 inches in diameter. Theannular space be- burner. The less air admitted, the greater will be the depo- shoulder, is forced slightly beyond the inner end of the… … flavor and aroma, uniform in quality, and to keep magnetized by the breaking of the circuit, the moving one is quickly returned by its spring, f’, well; and a greater weight is obtained from a giv- toits normal position, closing the circuit ; and the shaft also, other methods. at the same time, is…
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