Items

• [E1918AF], Letter from Thomas Alva Edison to Franklin Institute, Robert Bowie Owens, April 19th, 1919
  1919-04-19
• [LB063094], Letter from William Edgar Gilmore to Robert Bowie Owens, March 31st, 1898
  1898-03-31
• [LB103353], Letter from Thomas Alva Edison to Franklin Institute, Robert Bowie Owens, April 14th, 1915
  1915-04-14