Items

Items

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  [E1518CEA], Letter from Shunzo Takaki, Mitsui & Co Ltd to Thomas Alva Edison, March 20th, 1915

  1915-03-20
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  [NB240C132A], Technical Note, Ludwig Fredrick Ott, January 14th, 1915

  1915-01-14
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  [NB241125], Technical Note, Ludwig Fredrick Ott, January 8th, 1917

  1917-01-08
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  [NB242033], Technical Note, Ludwig Fredrick Ott, November 18th, 1918

  1918-11-18