Items

• [D8135ZCA], Letter from Charles Batchelor to Thomas Alva Edison, September 25th, 1881
  1881-09-25
• [D8310I], Letter from Charles E Speirs to Samuel Insull, May 19th, 1883
  1883-05-19
• [D8310Q], Letter from Charles E Speirs to Alfred Ord Tate, August 30th, 1883
  1883-08-30
• [D8329E], Letter from Charles Lorenzo Clarke to Thomas Alva Edison, January 31st, 1883
  1883-01-31
• [LB008425], Letter from Thomas Alva Edison to John C Henderson, August 10th, 1881
  1881-08-10
• [LB009179], Letter from Thomas Alva Edison to Charles Batchelor, October 9th, 1881
  1881-10-09
• [LB016389], Letter from Samuel Insull to Charles E Speirs, May 21st, 1883
  1883-05-21
• [MBJ001084], Diary, Charles Batchelor, March 25th, 1877
  1877-03-25
• [MBLB3049], Letter from Charles Batchelor to Thomas Alva Edison, September 25th, 1881
  1881-09-25
• [N007160] Technical Note, January 9th, 1879
  1879-01-09
• [N009015], Technical Note, John F Ott, Thomas Alva Edison, December 15th, 1878
  1878-12-15
• [NP021F], Technical Note, Thomas Alva Edison, October 17th, 1886
  1886-10-17
• [QD008] Litigation Record, 1883-1888
  1883-1888
• [QD008002], Legal Testimony, Thomas Alva Edison, April 15th, 1883
  1883-04-15
• [QD008013A], Technical Note, Thomas Alva Edison, April 3rd, 1881
  1881-04-03
• [QD009] Litigation Record, 1885-1888
  1885-1888
• [QD009003], Legal Testimony, Thomas Alva Edison, November 17th, 1885
  1885-11-17
• [QD009012], Legal Testimony, Charles Batchelor, August 9th, 1888
  1888-08-09
• [QD009015], Legal Testimony, John F Ott, August 9th, 1888
  1888-08-09
• [QD009018], Technical Note, Thomas Alva Edison, November 17th, 1885
  1885-11-17
• [W100DH] Litigation Record, 1883-1888
  1883-1888
• [W100DH002], Legal Testimony, Thomas Alva Edison, April 15th, 1883
  1883-04-15
• [W100DH003], Legal Testimony, Thomas Alva Edison, November 17th, 1885
  1885-11-17
• [W100DH052], Legal Testimony, Charles Batchelor, August 9th, 1888
  1888-08-09
• [W100DH056], Legal Testimony, John F Ott, August 9th, 1888
  1888-08-09
• [X001K9027] Technical Note, 1890-1894
  1890-1894
• [X001L1002] Technical Note, 1890-1891
  1890-1891