Items
Relation is exactly
Texas Oil Co
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[E1518CEA], Letter from Shunzo Takaki, Mitsui & Co Ltd to Thomas Alva Edison, March 20th, 1915
1915-03-20 -
[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