Items

• [D7401B], Letter from Society of Telegraph Engineers (London), George E Preece to Thomas Alva Edison, September 25th, 1874
  1874-09-25
• [D7702O], Letter from Society of Telegraph Engineers (London) to Thomas Alva Edison, May 18th, 1877
  1877-05-18
• [D7809ZAD], Letter from Society of Telegraph Engineers (London), George G Ward to Thomas Alva Edison, November 20th, 1878
  1878-11-20
• [D7810E], Letter from Society of Telegraph Engineers (London), George G Ward to Thomas Alva Edison, November 21st, 1878
  1878-11-21
• [D7911A], Letter from Society of Telegraph Engineers (London), A J Frost to Thomas Alva Edison, January 31st, 1879
  1879-01-31
• [D8111I], Letter from Society of Telegraph Engineers (London), George G Ward to Thomas Alva Edison, May 12th, 1881
  1881-05-12
• [D8112F1], Bill/Receipt from Society of Telegraph Engineers (London), George G Ward to Thomas Alva Edison, November 11th, 1881
  1881-11-11
• [D8212M], Bill/Receipt from Society of Telegraph Engineers (London), George G Ward to Thomas Alva Edison, December 8th, 1882
  1882-12-08
• [D8311E], Bill/Receipt from Society of Telegraph Engineers (London), George G Ward to Thomas Alva Edison, July 10th, 1883
  1883-07-10
• [D8311F], Bill/Receipt from Society of Telegraph Engineers (London), George G Ward to Charles Batchelor, July 10th, 1883
  1883-07-10
• [SB096065], Telegram from Society of Telegraph Engineers (London), George E Preece to Charles Batchelor, March 11th, 1875
  1875-03-11