Items

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Items

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  [D8952AAL], Letter from H P McIntosh to West Orange Laboratory, January 29th, 1889

  1889-01-29
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  [D8952ABL], Letter from Canadian Copper Co, H P McIntosh to Thomas Alva Edison, April 10th, 1889

  1889-04-10
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  [D8952ABX], Letter from H P McIntosh, Canadian Copper Co to Thomas Alva Edison, September 12th, 1889

  1889-09-12
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  [D9047AAA], Letter from Canadian Copper Co, H P McIntosh to Thomas Alva Edison, January 4th, 1890

  1890-01-04
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  [D9047AAC], Letter from Canadian Copper Co, H P McIntosh to Thomas Alva Edison, January 27th, 1890

  1890-01-27
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  [D9047AAH], Letter from H P McIntosh, Canadian Copper Co to Thomas Alva Edison, January 31st, 1890

  1890-01-31
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  [D9060AAI], Telegram from H P McIntosh to Thomas Alva Edison, February 3rd, 1890

  1890-02-03
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  [D9137AAC], Letter from H P McIntosh, Canadian Copper Co to Thomas Alva Edison, March 17th, 1891

  1891-03-17