On this page are sets more than 50 years old, which is considered vintage. I do not have many sets from this era because they are scarce and buying vintage items usually involves spending lots of my hard earned money.
| 7 light Sylvania fluorescent Christmas light
set. Technically the bulbs are cold cathode fluorescent lamps, which means
they have no filaments as typical fluorescent tubes do. The bulbs
appear white when unlit due to a phosphor coating inside which
glows when the inert gas inside is energized. For more information, see U.S. patent #2,421,571 granted June 03, 1947 to William E. Leyshon. 
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There's more to come.
