Category:Assay offices
institution set up to assay (test the purity of) precious metals | |||||
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Subcategories
This category has the following 7 subcategories, out of 7 total.
Media in category "Assay offices"
The following 4 files are in this category, out of 4 total.
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Gold mining assay office.jpg 3,976 × 2,808; 4.2 MB
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Goldsmith Hall - 2nd half of the 19th century.jpg 1,227 × 600; 150 KB
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Muffle blast furnace.jpg 3,000 × 4,000; 4.37 MB
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Staatliche Münze Berlin.jpg 1,600 × 1,200; 648 KB
