Items

• [D8818AOP], Letter from Charles Batchelor to Dwight Slate Machine Co, July 9th, 1888
  1888-07-09
• [D8818APF], Letter from Edison Phonograph Works, Charles Batchelor to Dwight Slate Machine Co, July 16th, 1888
  1888-07-16
• [D8818APM], Letter from Edison Phonograph Works, Charles Batchelor to Dwight Slate Machine Co, July 18th, 1888
  1888-07-18