Superconductor Rounds (Large and Small Filament) Filament Size:Large Filament 1.83”x3/8” They look like mushrooms and

They look like mushrooms and would make amazing display pieces once sanded to expose all the color layers

Dimensions: 12 3/16” x 11 3/8” x

Vintage Westinghouse light red spun glass pulled directly from an old Westinghouse machine with all original parts and plaques

Gorgeous tight-figured vintage 2-tone Bakelite in a rust orange/brown colorway

Superconductor Rounds (Large and Small Filament) Filament Size:Large Filament 1.83”x3/8” They look like mushrooms and2 different filament sizes are available in these Superconductor rounds comprised of Niobium and Copper. These rounds are 3 8 thick so they can be used as is or ripped to create thinner, bookmatched slices for bolsters, jewelry, or whatever else you can think of. This material looks much better when etched to create some depth and contrast in the materials. These rounds come polished. Niobium is incorporated into copper for superconductors primarily