Items
Relation is exactly
Magnet (Edison Jr Chemical Co publication)
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[QN003AAY], Petition, Thomas Alva Edison, U.S. Post Office Dept, August 27th, 1904 1904-08-27
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[QN003ABB], Legal Testimony, Thomas Alva Edison, Jr., August 20th, 1904 1904-08-20
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[QN003ABM], Letter from Frank Lewis Dyer to Thomas Alva Edison, Jr., September 16th, 1904 1904-09-16
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[QN003ABX], Letter from Frank Lewis Dyer to Thomas Alva Edison, Jr., October 7th, 1904 1904-10-07