Items

Items

• 

  [D9049AAE], Letter from Thomas Alva Edison to Henry Kerr Hartzell, February 3rd, 1890

  1890-02-03
• 

  [LB037042], Letter from Thomas Alva Edison, New Jersey and Pennsylvania Concentrating Works to Henry Kerr Hartzell, February 3rd, 1890

  1890-02-03
• 

  [LB041082], Letter from Thomas Alva Edison to Henry Kerr Hartzell, May 19th, 1890

  1890-05-19
• 

  [LB046050], Letter from Alfred Ord Tate to Henry Kerr Hartzell, December 9th, 1890

  1890-12-09
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  [LM201052], Letter from Henry M Livor to Henry Kerr Hartzell, August 26th, 1890

  1890-08-26
• 

  [LM202023], Letter from Henry M Livor to Henry Kerr Hartzell, May 9th, 1889

  1889-05-09
• 

  [LM202038], Letter from Henry M Livor to Henry Kerr Hartzell, May 22nd, 1889

  1889-05-22
• 

  [LM202071], Letter from Henry M Livor to Henry Kerr Hartzell, June 3rd, 1889

  1889-06-03
• 

  [LM202128], Letter from Henry M Livor to Henry Kerr Hartzell, July 18th, 1889

  1889-07-18
• 

  [LM204020], Letter from William S Perry to Henry Kerr Hartzell, April 24th, 1891

  1891-04-24
• 

  [LM204924], Letter from William S Perry to Henry Kerr Hartzell, July 24th, 1891

  1891-07-24
• 

  [LM215004], Letter from Walter Seeley Mallory to Henry Kerr Hartzell, February 5th, 1898

  1898-02-05