Items

• [D7802ZZJO], Letter from George Edward Gouraud to Thomas Alva Edison, November 5th, 1878
  1878-11-05
• [Z005AI1], Letter from Thomas Alva Edison to William Henry Preece, October 10th, 1877
  1877-10-10
• [Z005AJ], Letter from Thomas Alva Edison to William Henry Preece, November 25th, 1877
  1877-11-25