NAVIGATION
Brass spheres, alloy 260, 12.7mm (0.5in) dia
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Brass gauze, alloy 260, 80 mesh woven from 0.14mm (0.0055in) dia wire; Cu:Zn; 70:30 wt%
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Bronze gauze, alloy 220, 100 mesh woven from 0.11mm (0.0045in) in dia wire
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Aluminum plate, alloy 6061, 2.3mm (0.09in) thick
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Brass foil, alloy 260, 0.64mm (0.025in) thick
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Brass plate, alloy 260, 3.18mm (0.125in) thick
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