Items

• [D0307AAA], Letter from Electrochemical Industry (Magazine), Eugene Franz Roeber to Thomas Alva Edison, September 30th, 1903
  1903-09-30
• [D0406AAY], Letter from Electrochemical Industry (Magazine), Eugene Franz Roeber to Thomas Alva Edison, May 8th, 1904
  1904-05-08
• [E1380AM], Letter from Eugene Franz Roeber to Thomas Alva Edison, June 20th, 1913
  1913-06-20
• [E1503AI], Letter from Eugene Franz Roeber, Chemical and Metallurgical Engineering to Thomas Alva Edison, March 15th, 1915
  1915-03-15
• [SB0200012], Clipping, Electrical World, Eugene Franz Roeber, Electrical World and Engineer, June 29th, 1901
  1901-06-29
• [SB020AAD], Article, Eugene Franz Roeber, June 29th, 1901
  1901-06-29
• [SB020AAD1], Letter from Eugene Franz Roeber to Electrical World, October 12th, 1901
  1901-10-12
• [SB020AAE], Article, Eugene Franz Roeber, December 7th, 1901
  1901-12-07