Items
Relation is exactly
Edison Electric Light Co of Canada
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[D8237T], Letter from Calvin Goddard to Thomas Swinyard, June 17th, 1882 1882-06-17
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[D8237U], Memorandum, Calvin Goddard, June 17th, 1882 1882-06-17
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[D8237ZAB], Letter from Calvin Goddard to Thomas Alva Edison, August 25th, 1882 1882-08-25
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[D8429V], Letter from Edison Lamp Co to Thomas Alva Edison, April 1st, 1884 1884-04-01