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Word: viscaloid (lookup in dictionary) (lookup stats)
Dates: during 1930-1939
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Usage:

...sales of the best substitute for glass, in eyeglasses, binoculars, cameras and magnifying glasses, developed since Venetians invented spectacles in the 13th Century. Roehm & Haas Co. makes Plexigum, Plexiglas, Acryloid and Acrysol in Philadelphia; Imperial Chemical Industries, Ltd. sells Diakon and Perspex from its Manhattan office; Du Pont Viscaloid Co. makes Pontalite (TIME, Sept. 21, Dec. 28) and Lucite at Kearny...

Author: /time Magazine | Title: Science: Molded Lenses | 5/24/1937 | See Source »

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