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Updated: May 20, 2025
Now that we had located the enemy we felt more at ease. The scouts were riding near the road along which the wire ran, about seven miles from the town. Cutting across in plain sight of the enemy, we fixed the vibrator to the fence, and called up Heilbron. We heard the instruments working in the office, but got no reply to our hurried call. The scouts were about fifteen hundred yards away.
Wire fences had already been utilised in America for short-distance telephonic communication, and this system had already been tried at Van Reenenspas by ingenious young Bland, of the Free State telegraphs, employing, however, the vibrator instead of the telephone. We determined to follow his example. According to the law of the land, every Free State farm has to be fenced.
With Alternating Current. The operation of a transmitting set that uses an alternating current transformer, or power transformer, as it is sometimes called, is even more simple than one using a spark coil. The transformer needs no vibrator when used with alternating current.
This we have noticed often in relays, in stock-printers, when there were a little iron filings between the armature and core, and more often in our new electric pen, and we have always come to the conclusion that it was caused by strong induction. But when we noticed it on this vibrator it seemed so strong that it struck us forcibly there might be something more than induction.
Then the instant the vibrator points break apart the primary circuit is opened and the closed magnetic lines of force contract and as they do so they cut the turns of wire in the secondary coil in the opposite direction and this sets up another momentary current in the secondary coil in the other direction.
"That makes a girl feel better," she said. She held the vibrator in front of his face. "Clean," she ordered. He touched it with his tongue. She shook her head and put it firmly in his mouth, waiting and smiling while he sucked on it. "Very good," she said, removing it. "You are learning your place." She was pleased, light hearted. "You like this," she said. Oliver felt himself smiling.
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