Items

• [D8316BBD], Letter from Thomas Alva Edison to Ball Engine Co, October 16th, 1883
  1883-10-16
• [D8316BCM], Letter from Thomas Alva Edison to Ball Engine Co, October 24th, 1883
  1883-10-24
• [D8316BFD], Letter from Thomas Alva Edison to Ball Engine Co, November 8th, 1883
  1883-11-08