Items

• [D0001AAD], Letter from Charles E Speirs, Van Nostrand (D.) Co to Thomas Alva Edison, December 5th, 1900
  1900-12-05
• [D8610I], Letter from Charles E Speirs to Samuel Insull, 1886
  1886-00-00
• [LB007026], Letter from Thomas Alva Edison to J Van Voorst, February 2nd, 1881
  1881-02-02
• [LB009331], Letter from Thomas Alva Edison to Edward Hibberd Johnson, November 23rd, 1881
  1881-11-23
• [LB011276], Letter from Thomas Alva Edison to Edward Hibberd Johnson, February 15th, 1882
  1882-02-15
• [NA054BAA] Technical Note, 1895-1899
  1895-1899
• [NP100055], Diary, Thomas Alva Edison, August 3rd, 1914
  1914-08-03