Items

• [D8953AAW], Letter from H Loudon, Pell Fluor Spar Mining Co to Thomas Alva Edison, April 17th, 1889
  1889-04-17
• [D8953ABA], Letter from Pell Fluor Spar Mining Co, H Loudon to Alfred Ord Tate, April 29th, 1889
  1889-04-29