Items

• [D7506A], Letter from Archives of Electrology and Neurology, George Miller Beard to Thomas Alva Edison, December 1st, 1875
  1875-12-01
• [D7506F], Letter from Archives of Electrology and Neurology, George Miller Beard to Thomas Alva Edison, December 8th, 1875
  1875-12-08
• [D7506J], Letter from Archives of Electrology and Neurology, George Miller Beard to Thomas Alva Edison, December 10th, 1875
  1875-12-10
• [D7506L], Letter from Archives of Electrology and Neurology, George Miller Beard to Thomas Alva Edison, December 14th, 1875
  1875-12-14