Word: cuprous
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Dates: during 1940-1949
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...making it clumsy to handle. Normally a ship must have her hull scraped every six to 18 months. But the new paint, developed by the Navy's Bureau of Ships, keeps a ship's bottom whistle-clean for two to five years. A brown, syrupy compound of cuprous oxide and synthetic resins, it is sprayed on hot (300°F.), forms a coat ten times as thick as ordinary paint...
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