Items

• [D8464H], Letter from Exhibition. Philadelphia Electrical (1884), Edwin James Houston to Thomas Alva Edison, June 3rd, 1884
  1884-06-03
• [D8464I], Letter from Exhibition. Philadelphia Electrical (1884), Edwin James Houston to Thomas Alva Edison, June 10th, 1884
  1884-06-10
• [D8464L], Letter from Edwin James Houston, Exhibition. Philadelphia Electrical (1884) to Thomas Alva Edison, July 28th, 1884
  1884-07-28
• [D8464Q], Publication, Exhibition. Philadelphia Electrical (1884), Franklin Institute, September 2nd, 1884
  1884-09-02
• [D8538F1], Letter from Exhibition. Philadelphia Electrical (1884) to Thomas Alva Edison, February 1885
  1885-02-00