Items

Items

• 

  [D7826ZBM], Letter from Boston and Colorado Smelting Co to Thomas Alva Edison, October 12th, 1878

  1878-10-12
• 

  [D8805AIV], Letter from Boston and Colorado Smelting Co, Richard Pearce to George Frederick Kunz, November 7th, 1888

  1888-11-07
• 

  [SB1677036], Letter from Boston and Colorado Smelting Co to Charles Batchelor, June 25th, 1874

  1874-06-25