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light_bulbs_aka_incandescent_lamp [2019/07/28 16:39]
light_bulbs_aka_incandescent_lamp [2019/07/28 16:39] (current)
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 +1892  Incandescent Electric Lamps, Patent No. 543,280 by George Westinghouse http://​www.google.com/​patents/​US543280
  • light_bulbs_aka_incandescent_lamp.txt
  • Last modified: 2019/07/28 16:39
  • (external edit)