Items

• [D7929ZFZ], Letter from Siemens and Halske to Thomas Alva Edison, December 12th, 1879
  1879-12-12
• [D8238ZFH1], Agreement, Siemens and Halske, Giuseppe Colombo, 1882
  1882-00-00
• [D8337ZAK], Agreement, Thomas Alva Edison, Compagnie Continentale Edison, Edison Electric Light Co of Europe Ltd, Siemens and Halske, March 13th, 1883
  1883-03-13
• [D8535Q], Agreement, Thomas Alva Edison, Compagnie Continentale Edison, Edison Electric Light Co of Europe Ltd, Siemens and Halske, March 13th, 1885
  1885-03-13
• [D8624N], Report from Siemens and Halske, November 1886
  1886-11-00
• [D8905AFM], Letter from Wilhelm von Siemens, Siemens and Halske to Thomas Alva Edison, August 28th, 1889
  1889-08-28
• [D8941ABI], Letter from Siemens and Halske, Wilhelm von Siemens to Thomas Alva Edison, December 6th, 1889
  1889-12-06
• [D8949ACB], Letter from Siemens and Halske to Thomas Alva Edison, October 25th, 1889
  1889-10-25
• [E1185AV], Letter from Siemens and Halske, Karl Georg Frank to Thomas Alva Edison, October 23rd, 1911
  1911-10-23
• [LM002063B], Telegram from Siemens and Halske to Thomas Alva Edison, June 20th, 1884
  1884-06-20