Items

Items

• 

  [E1421DP1], Publication, Thomas Alva Edison, September 1914

  1914-09-00
• 

  [E1616KBT], Letter from Thomas Alva Edison to William Walter Dinwiddie, November 1916

  1916-11-00
• 

  [E1616LBJ], Letter from Ludwig Fredrick Ott to Thomas Alva Edison, December 1916

  1916-12-00
• 

  [E1651AA], Letter from Delos Holden to William Henry Meadowcroft, February 16th, 1916

  1916-02-16
• No image

  [NB241AAAE], Technical Note, Ludwig Fredrick Ott, July 1st, 1918

  1918-07-01