Word: dushman
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Dates: during 1935-1935
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...Saul Dushman exhibited a tiny mercury lamp, two inches long and thinner than a lead pencil, which emits a 200-candlepower glare. Its light results from vaporization of a pellet of mercury imbedded in a capillary tube. The little lamp may find use in composing rooms and photographic studios, may replace electric arcs in cinema projectors...