Lot · Other Mining Collectibles
Edison briquettes set - Edison Mine, Sparta, NJ
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Tue · Jun 16, 2026
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ZIP 074**
franklin_mineral_museum
1,201 ratings · 100.00% positive
Description
From the sellerThe briquettes are strongly magnetic. Do note a magnet attached to one of the briquettes. This set of two different sizes is a neat example of one of Edison's greatest efforts that sadly ended in failure.
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