Items

• [CL207ABF], Letter from James R Challen to Wittmann Co, June 12th, 1901
  1901-06-12
• [CL207ABG1], Letter from Wittmann Co to Thomas Alva Edison, July 9th, 1902
  1902-07-09
• [CL217ACJ], Letter from Frank K Dolbeer to Frank Lewis Dyer, December 31st, 1908
  1908-12-31
• [E1264FO], Minutes, Edison (Thomas A.) Inc, 1912
  1912-00-00
• [NP096152], Diary, Thomas Alva Edison, February 28th, 1913
  1913-02-28
• [NP097014], Diary, Thomas Alva Edison, February 28th, 1913
  1913-02-28