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Thames Star, Volume VIII, Issue 2805, 9 February 1878, Page 2

Ok the evening of iVorember the 28th, before a crowded audience, at the Society of Arts, John street, Adelphi, Mr George Carey Foster, F.8.5.A., in the chair, a lecture was delivered by Mr Graham Bell on "The Telephone. Having traced the history of the instrument and the progress of electric telephony, the lecturer explained by diagrams the action of what are called the " intermittent," the " pulsatory," and the " continuous " currents of electricity. Ho claimed the credit of being the first to apply the latter current, all prerious descriptions of telephones baring been on the " intermittent or " pul«atory " plan. Not alone, by his method, could the tone and pitch of the voice bo transmitted, but the rery " timbre" of the voice itself; the sound travelled not with mechanical, but electric speed, he himself, sitting in a room in Boston, haring conversed with a gentleman 280 miles distant with the same ease as if they were occupying the same apartment. There were arranged on a table in the lecture-room two telephones, one in connection with a house on the opposite side of the street, and the other with a house.in Gough square, Fleet street. Several experiments were tried by the lecturer and some of the audience, the result in each case being satisfactory, the reply coming from the other end almost instantly, and with the utmost clearness. At the conclusion of the address, a cordial vote of thanks, on the motion of Mr Scott-Eussell, was accorded to Mr Bell.