Word: vacuums
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Dates: during 1920-1929
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...arms and wired innards. Then he, others also, at the Level Club blew whistles of those assorted tones to which the dunderhead had been attuned. It pulled a rope that raised a flag that covered the painted face of George Washington; it raised a telephone receiver; it set a vacuum cleaner and electric fan going and the Masonic audience applauding...
...industry has not yet turned that corner 'round which prophets have been trying to squint for several months, nevertheless 9,300 Vacuum oil stockholders were reassured last week that their great lubricating oil company was in a better state of financial health than the ailing gasoline companies. The morning's mail brought announcement of a 100% stock dividend, worth $367,328,304 at the market price of the stock...
Cathode Rays. Little more than a generation ago the British physicist Sir William Crookes sealed the ends of two wines in a glass tube and in the tube created a vacuum. Then he shunted a current of electricity into the wires. The current sent a stream of electrons speeding from one of the wires, the cathode. They were cathode rays and they behaved in some ways like radium, soon after to be discovered by the Curies. They made the vacuum tube glow with-brilliant fluorescence. If a piece of metal were sealed in the tube, in the path...
...joined three of his vacuum tubes in tandem and in the connecting necks placed hollow metal cylinders. From a tungsten filament cathode in the first tube, 300,000 volts of electricity shot cathode rays into the first metal cylinder, which functioned as anode to the first and cathode to the second. There 300,000 more volts kicked the speeding electrons into the next similarly acting cylinder, where 300,000 more volts gave a final kick. The rays cascaded out of the apparatus at 175,000 miles per second-almost as fast as light, 350,000 times faster than a rifle...
...Eureka Vacuum Cleaner Co. (The 2.000,000th cleaner, gilded and jeweled, was assembled in December)-$1,806,198. Previous year...