Scientific American Supplement, No. 481, March 21, 1885
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Plush, the electrician to the Telephone Company, hasdevised this exceedingly pretty cut-out. It is a little electro-magneticcut-out that breaks the telephone circuit whenever a current passes intothe circuit equal to or more than an ampere. The arrangement works withgreat ease. It is applied to every telephone circuit simply, to protectthe telephone system from electric light wires, that ought never to beallowed anywhere near a telephone circuit. Fire-alarms are used in America; but in England,... also, the fire systems ofEdward Bright, Spagnoletti, and Higgins have been introduced, and in thatrespect we are in very near the same position as our friends on the otherside of the Atlantic. Some members present may remember that, when Idescribed my last visit to America, I mentioned how in Chicago thefire-alarm was worked by an electric method, and I told you a story thenthat you did not believe, and which I have told over and over again, butnobody has yet believed me, and I began to think that I must have made amistake somewhere or other.
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