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Show At the recent test of Edison's ingiDg telephone, between New York and Hartford, 210 miles, singers stationed at one end of the wire aang into a small flaring tube, and the electric current traversing the wire re produced the music ot the other end, with the aid of ft sounding board. Tho tonea were all aconrately given as regards pitch and expression. There was sufficient volume to be easily heard in a large hall. It is now proposed to give a concert in Saratoga, with the eingera in New York, 200 miles away. |