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When either piston is at the top of its stroke, the revolving valve admits to the upper part of the cylinder a supply of the gaseous mixture from the reservoir and valve casing, and this passes through the generator. At the same time a portion of the charge passes by the pipe, and becomes enriched by admixture of the hydrocarbon oil delivered to it by the cock.

The capacity of the condenser was increased and instead of the battery a small generator was employed so that a spark 1 1/2 inches in length would be discharged between spheres 3 inches in diameter. At the end of the year 1901 temporary stations at Newfoundland were established and experiments were carried on with aerial wires raised in the air by means of kites.

As the production of water gas implies the absorption of a large quantity of sensible heat, it is accompanied with a rapid fall of temperature in the chambers, B', and eventually also in the generator, A, while at the same time the chambers, B, are but moderately heated by the sensible heat of the current of gas produced.

An Experimental Continuous Wave Telegraph Transmitter. Now while this extra tube is used as a generator of oscillations these are, of course, very weak and hence a detector tube cannot be used to generate oscillations that are useful for other purposes than heterodyne receptors and measurements.

A gas-engine, now of common use, by the expansion, which is explosion, caused by burning a mixture of coal-gas and air, and the steam-engine, the universal power generator of modern life, works by the expansion of the vapor of water as it is generated by heat. Steam may be considered a species of gradual explosion applied to the uses of industry.

They watched the radio speedometer creep up 1-2-3-4-5-6 steadily it rose as the acceleration pressed them hard against the back of the seats 8-9 still it rose as the hum of the generator became a low snarl 10-11-12 they were rocketing at twelve miles a second, the tenuous air about the ship shrieking in a thin scream of protest as it parted on the streamlined bow.

A vessel filled with water has an inverted vessel within it; a pipe is led to the balloon from the latter and a tube of india-rubber is attached which contains calcium hydrate. By tipping the tube the amount of calcium hydrate required can be poured into the generator.

Unequalled for all drop-work. Our trebly resilient heavy kit is the ne plus ultra of comfort and safety. Gas-buoyed, waterproof, hail-proof, nonconducting Flickers with pipe and nozzle fitting all types of generator. Graduated tap on left hip. Hansen's Flickers Lead the Aerial Flight 197 Oxford Street

At fifty miles the generator was started, and the heaters in the car at once became more active. There was no heat in the car below, but that was unavoidable. They would try to bring it down to warm levels quickly. "Whew, I'm glad we reached the air again, Dick. I didn't tell you sooner, for it wouldn't have done any good, but that battery was about gone!

"The difference," said Buck Kendall slowly, when the reports came in from scout-ships in space that had witnessed the last struggle, "between an atomic generator and an atomic power-store, or accumulator, is clearly shown. We haven't an adequate source of power." McLaurin sighed slowly, and rose to his feet. "What can we do?"