NAVIGATION
Platinum Rhodium foil, 0.1mm (0.004in) thick, 99.9% (metals basis)
Platinum Iridium foil, 0.025mm (0.001in) thick, 99.9% (metals basis)
Platinum Iridium foil, 0.1mm (0.004in) thick, 99.9% (metals basis)
Platinum Rhodium foil, 0.025mm (0.001in) thick, 99.9% (metals basis)
Platinum Rhodium foil, 0.05mm (0.002in) thick, 99.9% (metals basis)