Items

• [D8148ZCG], Letter from John Henry Harjes to Societe Generale des Telephones, Mr Lartigue, September 27th, 1881
  1881-09-27
• [D8148ZCI], Letter from John Henry Harjes to Mr Lartigue, Societe Generale des Telephones, September 30th, 1881
  1881-09-30
• [LB019399], Letter from Thomas Alva Edison to Societe Generale des Telephones, November 19th, 1884
  1884-11-19
• [LB020257F], Letter from Samuel Insull to Societe Generale des Telephones, Theodore Puskas, May 5th, 1885
  1885-05-05
• [LM002036C], Telegram from Thomas Alva Edison to Societe Generale des Telephones, Mr Lartigue, December 28th, 1883
  1883-12-28