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Author Topic: westinghouse datecode decoding and logo questions  (Read 107 times)
toomanybulbs
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westinghouse datecode decoding and logo questions « on: June 15, 2010, 05:27:21 PM »
how does one decode the date on old westinghouse fluorescent tubes?
these are old f42 slimlines with black bakelite ends.
and when did the logo change from the underlined w to the one with the dots on the points?
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