Word: dustless
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Dates: during 1920-1929
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...giving a course in "mopology," threatened to be the year's first exploiter of unferreted educational byways. Mopology is destined for janitors. It will not teach lilting songs to rhythmic moppers, nor utilitarian philosophy for long janitorial hours. Mopology will strenuously, scientifically stress the importance of clean corners, dustless desks, and the danger of overheating due to too much coal in the furnace...
...Charles G. Abbott of the National Geographic Society, after studying sites in the Sahara, Egypt, the Sinai Peninsula and Baluchistan, last year discovered an ideal spot for the Institution's first sun station in the Eastern Hemisphere. For three years Mr. Hoover will live, beneath a cloudless, dustless sky, in the Brukkaros crater, with a 60-ft. precipice for his doorstep and only Hottentots for neighbors. He will take daily readings from a bolometer capable of registering to a millionth of a degree the sun's radiation. His daily telegrams to Washington will be studied by long-range...