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Ignition was by means of the usual high-tension magneto, gear-driven from the crankshaft, and the engine, which was water-cooled, was of compact design. It may thus be seen that the two-stroke cycle type got as far as actual experiment in air work, and that with considerable success.

With that I took two or three steps down the hill but felt the old man's hand on my arm. "Say, mister," he asked, "are you one of the electric company men? Is that high-tension line comin' across here?" "No," I said, "it is something more valuable than that!" I walked onward a few steps, as though I was quite determined to get out of his field, but he followed close behind me.

There were power-line towers with high-tension insulators, and, far ahead, the masses of huge elevators and big, square buildings. Soon I came in sight of a veritable forest of huge windmills. In a few moments, the huge buildings loomed up over me; the bus entered a street of the city abruptly from the country. One moment on a country road, the next moment among towering buildings.

Whereupon he left headquarters without waiting to listen to the scouts, who tried to explain that it was only high-tension electricity that was not at all dangerous and that there was no current of that nature at headquarters. Dick's attitude had quite surprised the Quarry Scouts.

Ultra-violet, infra-red, pure heat, infra-sound, solid beams of high-tension high-frequency current in whose paths the most stubborn metals would be volatilized instantly; all iron-driven, every deadly and torturing vibration known was hurled against that screen; but it, too, was iron-driven, and it held.

In columns, even as long as forty diameters, steel of 90,000 pounds tenacity will exceed the mildest steel 35 per cent., or iron 50 per cent., in compressive resistance. The present uncertainty consists largely as to how high-tension steel will endure the manipulation usual with iron without injury.

Gwen was simply frightened. She felt absolutely unfit for another high-tension interview. Her head might give way and she might do something foolish. But it was impossible to turn and run. It was, however, easy enough to go quickly by, with ordinary salutations. Still, it was repugnant to her to do so. But, then, what else could she do? It was settled for her.

Ignition was obtained by using a one-spark coil and vibrator for all cylinders, with a distributor to select the right cylinder for each spark this was before the days of the high-tension magneto and the almost perfect ignition systems that makers now employ.

She could make you see the romance in condensers and transformers. She had the power that caused the reader to lose himself in the charm of magnetic poles, and ball bearings, and high-tension sparks. "Just dropped in to say good-by," said Jock, very casually. "Going to run up-state to see the Athena Company toilette specialties, you know. It ought to be a big account." "Athena?"

In high-tension circuits over which such pressures as 50,000 volts is transmitted, no little difficulty is experienced from leakage and consequent loss of energy. This leakage occurs both between the line conductors and at the insulators placed on the pole lines forming the line circuit.