Items

• [D8531J], Letter from Charles Batchelor to Standard Hand Rock Drill Co, July 29th, 1885
  1885-07-29
• [D8531K], Letter from Charles Batchelor to Standard Hand Rock Drill Co, August 7th, 1885
  1885-08-07
• [D8531L], Letter from Standard Hand Rock Drill Co, George F Breed to Edison Machine Works, August 14th, 1885
  1885-08-14
• [D8531O], Letter from Standard Hand Rock Drill Co, George F Breed to Edison Machine Works, August 24th, 1885
  1885-08-24