RECENT PROGRESS IN ELECTRICITYTHE PHELPS SYS. TEN OF TELEGRAPHING FROM A RAILWAY TRAIN WHILE IN MOTION. ARRANGEMENT FOR SENDING AND RECEIVING MESSAGES BY INDUCTION BETWEEN A RAILWAY STATION AND A MOVING CAR. r Fig. 2THE TRACK TELEGRAPH WIRE. Fig. 3 —INDUCTION COIL SUSPENDED BELOW THE BOTTOM OF CAR. e w, scientific american, 1885-02-21

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RECENT PROGRESS IN ELECTRICITYTHE PHELPS SYS. TEN OF TELEGRAPHING FROM A RAILWAY TRAIN WHILE IN MOTION. ARRANGEMENT FOR SENDING AND RECEIVING MESSAGES BY INDUCTION BETWEEN A RAILWAY STATION AND A MOVING CAR. r Fig. 2THE TRACK TELEGRAPH WIRE. Fig. 3 —INDUCTION COIL SUSPENDED BELOW THE BOTTOM OF CAR. e w, scientific american, 1885-02-21

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