Items

Items

• 

  [D8020ZFA], Letter from John Kruesi to Charles T Porter, June 6th, 1880

  1880-06-06
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  [D8020ZGI], Letter from Thomas Alva Edison to Charles T Porter, August 1880

  1880-08-00
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  [D8213C], Letter from John Wheldon to Charles T Porter, March 6th, 1882

  1882-03-06
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  [LB008281], Letter from Thomas Alva Edison to Southwark Foundry and Machine Co, Charles T Porter, May 28th, 1881

  1881-05-28
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  [LB006218], Letter from Thomas Alva Edison to Charles T Porter, July 20th, 1880

  1880-07-20
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  [LB006219], Letter from Charles Lorenzo Clarke to Charles T Porter, July 20th, 1880

  1880-07-20
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  [LB006264], Letter from Thomas Alva Edison to Charles T Porter, August 6th, 1880

  1880-08-06
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  [LB006557], Letter from Charles Lorenzo Clarke to Charles T Porter, November 17th, 1880

  1880-11-17
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  [LB006559], Letter from Charles Lorenzo Clarke to Charles T Porter, November 18th, 1880

  1880-11-18
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  [LB006566], Letter from Charles Lorenzo Clarke to Charles T Porter, November 19th, 1880

  1880-11-19
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  [LB006595], Letter from Charles Lorenzo Clarke to Charles T Porter, November 26th, 1880

  1880-11-26
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  [LB006663], Letter from Charles Lorenzo Clarke to Charles T Porter, December 14th, 1880

  1880-12-14
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  [LB006767], Letter from Charles Lorenzo Clarke to Charles T Porter, January 6th, 1881

  1881-01-06
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  [LB006780], Letter from Charles Lorenzo Clarke to Charles T Porter, January 10th, 1881

  1881-01-10
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  [LB006788], Letter from Charles Lorenzo Clarke to Charles T Porter, January 12th, 1881

  1881-01-12
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  [LB006847], Letter from Charles Lorenzo Clarke to Charles T Porter, January 25th, 1881

  1881-01-25
• 

  [LB022323], Letter from Thomas Alva Edison to Charles T Porter, August 13th, 1886

  1886-08-13
• 

  [LB030264], Letter from Alfred Ord Tate to Charles T Porter, June 7th, 1889

  1889-06-07
• 

  [LB051374], Letter from Alfred Ord Tate to Charles T Porter, October 21st, 1891

  1891-10-21