Items

• [D7832I], Letter from Theodore Puskas to Thomas Alva Edison, March 18th, 1878
  1878-03-18
• [D7840Q], Letter from Lemuel Wright Serrell to Thomas Alva Edison, May 6th, 1878
  1878-05-06
• [Z400AL], Letter from Thomas Alva Edison to Theodore Puskas, March 29th, 1878
  1878-03-29