Items

• [D9230AAD], Letter from Automaton Piano Co to Thomas Alva Edison, September 10th, 1892
  1892-09-10
• [D9330AAB], Letter from Automaton Piano Co to Thomas Alva Edison, May 31st, 1893
  1893-05-31
• [D9330AAD], Letter from Automaton Piano Co, Abram Brougham De Frece to Thomas Alva Edison, November 11th, 1893
  1893-11-11
• [D9330AAE], Letter from Abram Brougham De Frece, Automaton Piano Co to Thomas Alva Edison, November 28th, 1893
  1893-11-28
• [D9330AAF], Letter from Automaton Piano Co, Abram Brougham De Frece to Thomas Alva Edison, December 8th, 1893
  1893-12-08