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Sil′ver al-loy′.

See alloy, page 63; mock-silver, page 1457.

In 1873, a patent was granted to Mme. Baudoin of Paris for an imitation silver-alloy, composed of copper, 71; nickel, 16.5; cobalt, 1.75; tin, 2.5; iron, 1.25; zinc, 7. In some cases, a small proportion — say, 1/2 per cent — of aluminium is added.

The silvery appearance of this alloy is due principally to the cobalt.

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