Mark, "somewhere, everywhere on the English, Scottish and Irish coasts, immense dynamos will be established—these with no fancy brushes, mark you—to connect with certain points of my steel fence by naked cables.
"The British Admiralty will know, of course, when the U-boat armada sets out, and will turn on the current when and where it will do the most harm. Now the moment a U-boat touches my fence, out of business it goes, goes for good, but at the same time its agony will start. For my fence will be magnetized as well as electrified, and though the U-boat is momentarily repulsed, it is held, at the same time, captive by a giant magnet.
"Think of the fine time the enemy crew will have," chuckled Twain, "with ten thousands of volts pumped into their vessel at the bottom of the sea, the magnet preventing its getaway.
"Boys," he continued, "I would like to sit on top of Big Ben" (in the tower of Parliament House, London) "and direct the electric strokes myself."
"And this epoch-making invention of yours, will you present it to Great Britain as a free gift?"
"Not I," said Twain. "I have a family to look after. I intend to get a round million sterling from the War Office here. And if the British refuse to pay, why, when you come to think of it, we have quite a long coast line in the United States—"
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