Items

• [E1518FDI], Letter from West Orange Laboratory to Pennsylvania Tank Car Co, June 30th, 1915
  1915-06-30
• [E1616EBS], Letter from Thomas Alva Edison to Pennsylvania Tank Car Co, May 29th, 1916
  1916-05-29
• [LB109021], Letter from Thomas Alva Edison to Pennsylvania Tank Car Co, G F Wood-Smith, December 15th, 1915
  1915-12-15
• [LB109282], Letter from William Henry Meadowcroft to Pennsylvania Tank Car Co, M D Krenkel, January 5th, 1916
  1916-01-05