Items

• [E1574AC], Letter from Thomas Commerford Martin to William Henry Meadowcroft, April 2nd, 1915
  1915-04-02
• [E1580AP], Letter from National Electric Light Assn, Thomas Commerford Martin to William Henry Meadowcroft, March 31st, 1915
  1915-03-31
• [SB512098A1], Interview, Thomas Alva Edison, July 25th, 1915
  1915-07-25
• [SB512201A], Clipping, New York Annalist, July 12th, 1915
  1915-07-12
• [SC15027A1], Interview, Thomas Alva Edison, May 9th 1915
  1915-05-09