Items
Relation is exactly
Thomas, Martin Ellis
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[HK5131AC], Letter from William Henry Meadowcroft to Thomas Alva Edison, December 23rd, 1912 1912-12-23 -
[HK5207AC], Letter from Donald M Bliss to William Henry Meadowcroft, March 17th, 1913 1913-03-17
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[PT5109], Patent Application, Thomas Alva Edison, May 27th, 1919 1919-05-27
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[PT5109C], Letter from William Abbott Hardy to Thomas Alva Edison, May 16th, 1924 1924-05-16