Items

• [D8403ZBR], Letter from John W Lawson to Thomas Alva Edison, April 18th, 1884
  1884-04-18
• [E1220AA], List, Robert Ten Eyck Lozier, January 15th, 1912
  1912-01-15
• [N030173], Technical Note, Francis Robbins Upton, February 25th, 1880
  1880-02-25
• [N112257], Technical Note, Francis Robbins Upton, August 11th, 1880
  1880-08-11
• [N117230], Diary, Charles Peters Mott, December 3rd, 1880
  1880-12-03
• [W100DED002], Legal Testimony, Francis Jehl, September 6th, 1881
  1881-09-06
• [W100DIZ526], Legal Testimony, February 27th, 1884
  1884-02-27
• [W100DIZ590], Legal Testimony, March 1st, 1884
  1884-03-01
• [X001G2AL], Technical Note, Thomas Alva Edison, December 10th, 1880
  1880-12-10
• [X098A002A] List, Undated
• [X098A012], Letter from William Joseph Hammer to Thomas Alva Edison, 1881
  1881-00-00
• [X098C015], Letter from William Joseph Hammer to Bergmann & Co, January 15th, 1889
  1889-01-15
• [X098FA022A], Diary, William Joseph Hammer, October 1881
  1881-10-00
• [X098FA022B], Diary, William Joseph Hammer, November 1882
  1882-11-00
• [X098HC11] List, Undated