Items

• [HM89AAE], Letter from Thomas Alva Edison to Philadelphia Wilmington and Baltimore Railway, Charles Edmund Pugh, October 27th, 1891
  1891-10-27
• [LB051433], Letter from Thomas Alva Edison to Philadelphia Wilmington and Baltimore Railway, Charles Edmund Pugh, October 27th, 1891
  1891-10-27
• [LM025316], Letter from Alfred Ord Tate to John B Hutchinson, Philadelphia Wilmington and Baltimore Railway, August 4th, 1891
  1891-08-04