Items

• [D8239ZEV], Letter from Frank Julian Sprague to Edward Hibberd Johnson, September 21st, 1882
  1882-09-21
• [X098A019], Letter from Edward Hibberd Johnson to Thomas Alva Edison, March 19th, 1882
  1882-03-19
• [X098FA098A], Diary, William Joseph Hammer, October 29th, 1881
  1881-10-29
• [X098I02], Article, William Henry Preece, December 16th, 1881
  1881-12-16