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Green Sand Cast Aluminum

Aluminum History
At one time aluminum was more valuable than gold. Bars of aluminum were exhibited alongside the French crown jewels at the L'Exposition Universelle de 1855. Napoleon III was said to have reserved a set of aluminum dinner plates for his most honored guests. In 1884 aluminum was selected for the apex of the Washington Monument, a time when one ounce cost the daily wage of a common worker on the project.
Fredericks Passage Layout Tools
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