Items

• [E1929FP], Letter from Thomas Alva Edison, William Henry Meadowcroft to Electrical Review and Western Electrician, Engineering News, Iron Age, Electrical World, American Machinist, Machinery (Magazine), Industrial Management, Scientific American, American Society of
  1919-10-29
• [E1929GE], Letter from Edward De W Perry to Iron Age, Thomas Alva Edison, December 6th, 1919
  1919-12-06
• [E1929GM], Letter from William Henry Meadowcroft to Charles Samuel Baur, Iron Age, December 22nd, 1919
  1919-12-22
• [LB098586], Letter from Thomas Alva Edison to George W Cope, Iron Age, September 8th, 1914
  1914-09-08