Word: carbonation
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Dates: during 1950-1959
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...catalogue paper was handmade in England; fine old castoff linen shirts from Italy provided its basic rag stock. The ink, pure lampblack carbon and linseed oil unadulterated by modern aniline dyes, was specially ground in Germany in 1928. A new type font was designed by Jan van Krimpen, cast in The Netherlands. Two three-ton hand presses were shipped from England to Pittsburgh for the actual printing...
...sprinkler-equipped buildings, is checked four times weekly by the Patrol. The extra attention, Husk and Fraser explain, is because the building is not fireproof Fogg Museum, housing many valuable objets d'art that would suffer almost as much from water as from fire, is protected by carbon dioxide...
...University owns many extinguishers that are not of the conventional soda and acid variety. They are of the dry powder, carbon tetrachloride, and chemical foam types...
Open-hearth furnaces melt together pig iron, scrap steel, iron ore and limestone. The carbon is oxidized by the oxygen in the iron ore and goes up the stack as carbon dioxide. Other impurities are absorbed by the limestone slag on the surface of the molten iron. U.S. Steel's new "Turbo-Hearth" furnace blows jets of air across the surface of a pool of molten pig iron. The oxygen in the air combines with the impurities, removes them from the iron, turns the iron to low-carbon steel. This method is not very different from the Bessemer process...
...Carbon tetrachloride is often prescribed by doctors in appreciably less than teaspoon doses as a vermifuge (worm chaser...