Word: air
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Dates: during 1920-1929
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...sent out invitations to the mayors of 4,200 other cities to come to Chicago and discuss airports, air-mapping...
Those people are dumb, for they lack vocal.cords. The vocal cords are two short bands of muscles that cross the larynx. In breathing air passes between the cords. To make sounds, the cords assume varying tensions; the passing air makes them vibrate; vowel sounds result: the palate acts as a sounding board, the mouth as a resonance chamber. In talking the palate, tongue, teeth and lips modify vocal sounds into speech...
...pipe bowl. From the bottom reaches a flexible rubber tube which at will is attached to the opening in the cripple's throat. From the top extends a pipe stem, intended to bs held deep in the mouth. The cylinder contains a vibrating diaphram of rubber. As air is breathed over this diaphragm a sound results; moving tongue, lips, teeth and .palate alter such sound into syllables, words, talk. Enunciation is clear, although monotone...
...acetylene. "Berthelot condenses it [acetylene] under the action of heat and behold, we have benzine," writes Premier Poincaré in the current Chimie et Industrie, French periodical. "He adds hydrogen and behold, there appears ethylene, which, united with water, will produce alcohol. He places it in contact with air and with an alkaline solution-and behold, acetic acid or vinegar. If I were to enumerate all his successful reconstructions I should never...
...Pont. "I want to fly as long as I can and die like a gentleman." So said Alexis Felix du Pont, son of the vice president of the du Pont de Nemours & Co., who entrained last week for San Antonio, Tex., to begin service in the army air service as a cadet...