Items

• [PA042], Letter from Thomas Alva Edison to Telegrapher, April 25th, 1868
  1868-04-25
• [PA045], Letter from Thomas Alva Edison to Telegrapher, June 2nd, 1868
  1868-06-02
• [PA056], Letter from Thomas Alva Edison to Telegrapher, October 16th, 1869
  1869-10-16
• [Z100FE], Letter from George Little to Telegrapher, August 1st, 1874
  1874-08-01
• [Z100FH], Letter from George Little to Telegrapher, August 10th, 1874
  1874-08-10