Items
Relation is exactly
Philadelphia Times
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[SC11146A], Interview, Thomas Alva Edison, December 6th, 1911 1911-12-06
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[SC87007A1], Interview, Thomas Alva Edison, December 10th, 1887 1887-12-10
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[SC88026C], Clipping, Times, June 6th, 1888 1888-06-06
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[SC88026C1], Interview, Thomas Alva Edison, June 6th, 1888 1888-06-06
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[SC91009B1], Letter from Edison Electric Light Co of Philadelphia, William Dennis Marks to William Henry Wahl, Franklin Institute, February 2nd, 1891 1891-02-02