Items

• [X162A], Letter from Edward Singleton Holden to Arthur Edwin Kennelly, May 22nd, 1890
  1890-05-22
• [X162B], Memorandum, Edward Singleton Holden, May 22nd, 1890
  1890-05-22
• [X162D], Letter from Edward Singleton Holden to Arthur Edwin Kennelly, June 26th, 1890
  1890-06-26
• [X162G], Letter from Edward Singleton Holden to Arthur Edwin Kennelly, July 14th, 1890
  1890-07-14
• [X162N], Letter from Edward Singleton Holden to Arthur Edwin Kennelly, November 10th, 1890
  1890-11-10
• [X162P], Letter from Edward Singleton Holden to Arthur Edwin Kennelly, June 10th, 1892
  1892-06-10
• [X162Q], Letter from Edward Singleton Holden to Thomas Alva Edison, June 11th, 1892
  1892-06-11