NAVIGATION
Brass foil, alloy 260, 1.0mm (0.04in) thick
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Bronze gauze, alloy 220, 200 mesh woven from 0.053mm (0.0021in) in dia wire
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Nickel Copper foil, alloy 400, 1.0mm (0.04in) thick
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Brass plate, alloy 260, 2.4mm (0.093in) thick
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Bronze gauze, alloy 220, 60 mesh woven from 0.19mm (0.0075in) in dia wire
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Nickel Copper foil, alloy 400, 1.6mm (0.062in) thick
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