Items

Items

• 

  [D0712AAA], Letter from National Phonograph Co to John E Helm, January 3rd, 1907

  1907-01-03
• 

  [D0712AAB], Letter from John E Helm to William Edgar Gilmore, December 31st, 1906

  1906-12-31
• 

  [D0712AAC], Letter from William Edgar Gilmore to John E Helm, December 31st, 1906

  1906-12-31
• 

  [D0610AAM1], Letter from William Edgar Gilmore to John E Helm, December 27th, 1906

  1906-12-27
• 

  [E1177AO], Letter from Harry Frederick Miller to Thomas Alva Edison, November 27th, 1911

  1911-11-27