Items

• [D8911AAP], Letter from Electrical Industries, E L Powers to Thomas Alva Edison, December 11th, 1889
  1889-12-11
• [D8911AAQ], Letter from E L Powers, Electrical Industries to Thomas Alva Edison, December 30th, 1889
  1889-12-30
• [D9006AAE], Letter from Electrical Industries, William Hughes (Editor) to Thomas Alva Edison, February 14th, 1890
  1890-02-14