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Vintage Westy 40 Watt Blue
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Etching on a Westinghouse 40 watt ceramic coated blue bulb. 1950's vintage. This has the pre May 1960 Westy logo with the older underscored "W". After May 1960, Westinghouse began using the newer "w" with 3 dots at the top peaks of the "W" that we know today.
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