Items

• [D0843AAA], Letter from Bergmann Elektricitats Werke, Paul Berthold to Thomas Alva Edison, March 19th, 1908
  1908-03-19
• [D1008AAV], Letter from Bergmann Elektricitats Werke, Sigmund Bergmann to Thomas Alva Edison, September 15th, 1910
  1910-09-15
• [E1218AB], Letter from Bergmann Elektricitats Werke to Harry Frederick Miller, April 4th, 1912
  1912-04-04
• [E1315BG], Letter from Bergmann Elektricitats Werke to Harry Frederick Miller, August 18th, 1913
  1913-08-18
• [E1283BB], Letter from Bergmann Elektricitats Werke to Thomas Alva Edison, June 1st, 1912
  1912-06-01