Items

• [LB059105A], Letter from Thomas Alva Edison to Ponupo Mining and Transportation Co Ltd, March 19th, 1894
  1894-03-19
• [LB059107], Letter from Thomas Alva Edison to Ponupo Mining and Transportation Co Ltd, March 22nd, 1894
  1894-03-22
• [LM214958], Letter from Walter Seeley Mallory to Ponupo Mining and Transportation Co Ltd, January 26th, 1898
  1898-01-26
• [LM229137], Letter from Walter Seeley Mallory to Ponupo Mining and Transportation Co Ltd, W B Myers, September 27th, 1895
  1895-09-27