Items

• [D8253ZAF], Letter from George S Ladd, Pacific Bell Telephone Co to Thomas Alva Edison, April 24th, 1882
  1882-04-24
• [D8472ZAK], Letter from Pacific Bell Telephone Co, George S Ladd to Thomas Alva Edison, October 22nd, 1884
  1884-10-22
• [D8472ZAL], Letter from Pacific Bell Telephone Co, George S Ladd to California Electrical Works, October 22nd, 1884
  1884-10-22