Items

• [E1518HAG], Letter from Butterworth-Judson Co, Joseph A Durkin to Thomas Alva Edison, August 5th, 1915
  1915-08-05
• [E1518JAP], Letter from Joseph A Durkin, Butterworth-Judson Co to William Henry Meadowcroft, October 6th, 1915
  1915-10-06