he transmitter is con- It has the merit of reproducing the voice sidered quite sensitive. Having traced the very distinctly and with a naturalness of circuit through the platinum, spring, and tone and amount of volume that is surpris- carbon button, where the spring holding ing. the latter comes in… … in diameter than the diaphragm, is For above purpose (according to the FiQ, 1.—A. Metal circular ring. B. Diaphragm. C. Adjueting angle bar. D. German silver spring. E. Carbon button spring, a b. Secondary wires, c d. Primary wires. formed • in the iron ring. On this process just patented in France…
Iron · Diaphragm · Apparatus · Munn · Scientific American · Frame · Colonial style · American supplement · Coal dust · Siberian railway · Trade mark · Express money · Nickel ammonium · Long distance · Tific american
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