Items

• [D7208C], Letter from Edward Hibberd Johnson to Spencer M Clark, October 28th, 1872
  1872-10-28
• [E1327AZ], Letter from Marcus Breckenridge Toney to Thomas Alva Edison, September 9th, 1913
  1913-09-09
• [NP002CJ], Technical Note, Thomas Alva Edison, June 10th, 1873
  1873-06-10
• [W400C178], Report from Thomas Thompson Eckert to Atlantic and Pacific Telegraph Co, April 28th, 1875
  1875-04-28
• [W400C190B], Report from Atlantic and Pacific Telegraph Co, Thomas Thompson Eckert, April 26th, 1876
  1876-04-26
• [X001E04A], Reminiscence, Patrick Bernard Delany, 1908
  1908-00-00
• [X111AP], Letter from Daniel H Craig to Marshall Lefferts, May 24th, 1872
  1872-05-24
• [X111AR], Letter from Daniel H Craig to Unknown, 1872
  1872-00-00
• [X111AX1] Letter, 1874-1875
  1874-1875
• [Z100BI], Letter from Edward William Jennings to Frank Ives Scudamore, December 9th, 1872
  1872-12-09