Items

• [D8470E], Letter from Bertolette and Lukens to Thomas Alva Edison, July 10th, 1884
  1884-07-10
• [D8470P], Letter from Bertolette and Lukens to Thomas Alva Edison, July 17th, 1884
  1884-07-17
• [D8470ZAA], Telegram from Bertolette and Lukens to Thomas Alva Edison, July 18th, 1884
  1884-07-18