Items

• [D7802ZUC], Telegram from Thomas Alva Edison to Henry Draper, July 1878
  1878-07-00
• [D7819ZDB], Telegram from Thomas Alva Edison to Henry Draper, December 5th, 1878
  1878-12-05
• [D8020ZDA], Letter from Thomas Alva Edison to George Frederick Barker, Henry Draper, March 30th, 1880
  1880-03-30
• [LB012347], Letter from Thomas Alva Edison to Henry Draper, May 18th, 1882
  1882-05-18
• [LB012416], Letter from Thomas Alva Edison to Henry Draper, May 24th, 1882
  1882-05-24
• [LB012443A], Letter from Thomas Alva Edison to Henry Draper, May 29th, 1882
  1882-05-29
• [LB014386A], Letter from Samuel Insull to Henry Draper, November 3rd, 1882
  1882-11-03
• [X120BAB], Letter from George Frederick Barker to Henry Draper, December 10th, 1875
  1875-12-10
• [X120BAC], Letter from George Frederick Barker to Henry Draper, December 15th, 1875
  1875-12-15
• [X120BAD], Letter from George Frederick Barker to Henry Draper, December 26th, 1875
  1875-12-26
• [X120BAE], Letter from George Frederick Barker to Henry Draper, May 21st, 1876
  1876-05-21
• [X120BAF], Letter from George Frederick Barker to Henry Draper, June 21st, 1876
  1876-06-21
• [X120BAG], Letter from William Thomson (Lord Kelvin) to Henry Draper, July 14th, 1876
  1876-07-14
• [X120BAH], Letter from George Frederick Barker to Henry Draper, October 27th, 1876
  1876-10-27
• [X120BAI], Letter from George Frederick Barker to Henry Draper, July 2nd, 1877
  1877-07-02
• [X120BAJ], Letter from Thomas Alva Edison to Henry Draper, August 3rd, 1877
  1877-08-03
• [X120BAK], Letter from Thomas Alva Edison to Henry Draper, August 4th, 1877
  1877-08-04
• [X120BAL], Letter from Thomas Alva Edison to Henry Draper, August 8th, 1877
  1877-08-08
• [X120BAM], Letter from George Frederick Barker to Henry Draper, August 15th, 1877
  1877-08-15
• [X120BAN], Letter from Thomas Alva Edison to Henry Draper, August 17th, 1877
  1877-08-17