Word: zinc
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Dates: during 1910-1919
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...process is quite simple. The copy is carefully typewritten, then the typewritten sheet is photographed onto a sensitized plate. Treatment of the zinc plate in an acid bath eats away the metal around the impression of the letters, leaving them projecting from the surface. The plate, or cut, has then only to be locked in the form...
...state of New Jersey. Mr. Hancock covered every section of the state in his search, and discovered a new mineral, to which his name was given by the Museum of Natural History of New York. Many of the finest specimens were obtained in the vicinity of the zinc mines at Franklin Furnace...
...author of notable scientific works including 'Dictionary of the Solubilities of Chemical Substances," "Manual of Inorganic Chemistry," "Manual of Quantitative Chemical Analysis," (both in co-operation with Dr. Charles W. Eliot '53), "Agriculture in Some of Its Relations with Chemistry," "Bulletin of Bussey Institution," "Alloys of Copper and Zinc," "Manufacture of Parafine Oils," and other scientific works...