Items

• [D8366T1], Letter from Francis Jehl to Thomas Alva Edison, August 4th, 1883
  1883-08-04
• [D8366ZAC], Letter from Francis Jehl to Thomas Alva Edison, August 25th, 1883
  1883-08-25
• [D8624N], Report from Siemens and Halske, November 1886
  1886-11-00
• [D8839AAO], Letter from John William Lieb, Francis Robbins Upton to Thomas Alva Edison, March 19th, 1888
  1888-03-19
• [D9036AAP], Letter from Johann Fessenko to Thomas Alva Edison, May 5th, 1890
  1890-05-05
• [MU134], Report from Edison General Electric Co, March 1890
  1890-03-00
• [W100DMBB], Letter from Karl Zipernowsky to Francis Robbins Upton, November 16th, 1886
  1886-11-16
• [X710A], Letter from Thomas Alva Edison to Edward Hibberd Johnson, November 1886
  1886-11-00