Superconductor Rounds (Large and Small Filament) Filament Size:Large Filament 1.83”x3/8” This stuff is beautiful and

This stuff is beautiful and has a super tight glass weave

These rounds come polished

Vintage Westinghouse single-lined 2-tone brown paper

This material is 1 of a kind and no 2 pieces are exactly the same

Vintage Westinghouse red/tan layered Linen Micarta

Superconductor Rounds (Large and Small Filament) Filament Size:Large Filament 1.83”x3/8” This stuff is beautiful 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