Alpakka definitions

Alpakka

Nickel silver, 65% copper, 22% zinc, 13% nickel
Found on https://oldcopper.org/special_topics/glossary.php

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Alpakka

A nickel silver made from 65% copper, 22% zinc, 13% nickel.
Found on https://www.encyclo.co.uk/local/20687

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