Word: alum
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Dates: during 1930-1939
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Though the course, which deals with Boston and its suburban slums, is merely an academic one in the eyes of the University, the government has taken an interest in it as a means to place its employees under the tutelage of one of the country's experts in alum districts and housing problems...
...Cryolite was used only in making caustic soda, sodium bicarbonate and alum. But "Salt" presently learned that it formed an excellent flux for manufacturing opaque glass and for coating enamelware, tile and porcelain. Best of all it turned out to be a valuable ingredient for aluminum. Rocketing aluminum sales and war scares lately have boomed the cryolite trade. '"Salt" maintains its monopoly with ease since the mines discovered by the Eskimos at Ivigtut, Greenland, remain the only ones in the world. Because the mining season is necessarily short, "Salt" usually gets but two shipments annually on little Scandinavian freighters...
...doctor, a nurse and a clerk, this summer started to experiment on a national scale with the Peet-Schultz prophylactic under the general direction of Dr. Charles Armstrong of the U. S. Public Health service who last year found that the spraying of Alabama children's noses with alum did some good in preventing infantile paralysis. Half-a-dozen teams operated in Omaha last week. These teams soon found that metal tipped atomizers are apt to Injure the nostrils of young children, who jerk and sneeze when treated. Children of ten to twelve don't squirm so much...
Presuming that the virus entered the body only through the nerves of smell, Epidemiologist Charles Armstrong of the U. S. Public Health Service, tried coating the tips of those nerves with spray containing alum. This procedure protected some children exposed to the disease...
...Armstrong, found that the occasional failures were due to faulty spraying. While he, with Assistants Dean H. Echols and Harry J. Richter experimented on methods of completely covering the olfactory nerve ends, Dr. Schultz, with help of Chemist L. P. Gebhardt, sought chemicals which might be more effective than alum. They decided on a solution of 1% zinc sulphate, 0.5% sodium chloride and 1% pontocaine, hydrochloride (a local anesthetic) in distilled water...