Items

• [CJ421AAK], Letter from William Simpkin to Thomas Alva Edison, December 30th, 1907
  1907-12-30
• [D0704AAE], Letter from Horace Field Parshall to Thomas Alva Edison, October 1st, 1907
  1907-10-01
• [D0704AAF], Letter from Horace Field Parshall to Thomas Alva Edison, October 4th, 1907
  1907-10-04