Items

Items

• 

  [CJ002ABT], Letter from Henry Kerr Hartzell to Henry M Livor, April 19th, 1890

  1890-04-19
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  [D8845AGI], Letter from Henry Kerr Hartzell to Thomas Alva Edison, November 24th, 1888

  1888-11-24
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  [D9048AAH], Letter from Henry Kerr Hartzell to Thomas Alva Edison, May 15th, 1890

  1890-05-15
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  [D9048ABU], Letter from Henry Kerr Hartzell to Thomas Alva Edison, December 6th, 1890

  1890-12-06
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  [D9049AAF], Letter from Henry Kerr Hartzell to Thomas Alva Edison, February 4th, 1890

  1890-02-04
• 

  [D9049AAG], Agreement, New Jersey and Pennsylvania Concentrating Works, Henry Kerr Hartzell, Thomas Alva Edison, February 5th, 1890

  1890-02-05
• 

  [E1166BA], Obituary, Henry Kerr Hartzell, Thomas Alva Edison, December 21st, 1911

  1911-12-21