Items

• [D8911AAC], Letter from Inventive Age to Thomas Alva Edison, March 12th, 1889
  1889-03-12
• [D9303AAM], Letter from Du Bois and Du Bois, Inventive Age to Thomas Alva Edison, May 2nd, 1893
  1893-05-02
• [D9702AAP], Letter from Inventive Age, M H Jewell to Dyer and Driscoll, July 17th, 1897
  1897-07-17