Items

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  [E1903CT1], Letter from Thomas Alva Edison, December 1919

  1919-12-00
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  [E1903CG], Letter from William Henry Meadowcroft to Hugo Gernsback, October 9th, 1919

  1919-10-09
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  [E1903CF], Letter from Electrical Experimenter, Hugo Gernsback to William Henry Meadowcroft, October 8th, 1919

  1919-10-08