Items

• [D7816H], Letter from Theodore Arnold to Thomas Alva Edison, August 29th, 1878
  1878-08-29
• [D7816J], Letter from Theodore Arnold to Thomas Alva Edison, September 13th, 1878
  1878-09-13
• [D7816K], Letter from Theodore Arnold to Thomas Alva Edison, September 25th, 1878
  1878-09-25