A Manual of Metallurgy: More Particularly of the Precious Metals, Including ...
A Manual of Metallurgy: More Particularly of the Precious Metals, Including ...
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In our eReader you can find the full English version of the book. Read A Manual of Metallurgy: More Particularly of the Precious Metals, Including ... Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Manual of Metallurgy: More Particularly of the Precious Metals, Including ...
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To quickly assess the difficulty of the text, read a short excerpt:
of silver, mixed with 18 dwts. of alloy, would be 925 in the thousand.
Mexican dollars are a mixture of 10 oz. 16} dwts. of silver, with 1 oz. 8} dwts. of alloy. Hence all the excess of alloy over the English standard would be called " worseness," and they would be reported worse 6} dwts. The decimal weighing of such an assay, if truly made to the Mexican standard, would be 902.7 ; actually worse 5 dwts. 8 grains : but as trade reports are only made to each } dwt., it would be reported W 5} dwt...s.
To take one other example, the French standard contains 900 parts of silver with 100 of alloy : now this is exactly equal to 10 oz. 16 dwts. of silver with 1 oz. 4 dwts. of alloy. Hence this would exactly worse 6 dwts.
On the other hand, certain Indian rupees contain 950 parts of silver with 50 of alloy : this would be equal to 11 oz. 8 dwts. of silver with 12 dwts. of alloy. Hence the trade report for these would be better 6 dwts.
The first step, then, in the assay of a specimen of alloyed silver, is the careful weighing of an assay SILYEB.
What to read after A Manual of Metallurgy: More Particularly of the Precious Metals, Including ...?
You can find similar books in the "Read Also" column, or choose other free books by George Hogarth Makins to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
of silver, mixed with 18 dwts. of alloy, would be 925 in the thousand.
Mexican dollars are a mixture of 10 oz. 16} dwts. of silver, with 1 oz. 8} dwts. of alloy. Hence all the excess of alloy over the English standard would be called " worseness," and they would be reported worse 6} dwts. The decimal weighing of such an assay, if truly made to the Mexican standard, would be 902.7 ; actually worse 5 dwts. 8 grains : but as trade reports are only made to each } dwt., it would be reported W 5} dwt...s.
To take one other example, the French standard contains 900 parts of silver with 100 of alloy : now this is exactly equal to 10 oz. 16 dwts. of silver with 1 oz. 4 dwts. of alloy. Hence this would exactly worse 6 dwts.
On the other hand, certain Indian rupees contain 950 parts of silver with 50 of alloy : this would be equal to 11 oz. 8 dwts. of silver with 12 dwts. of alloy. Hence the trade report for these would be better 6 dwts.
The first step, then, in the assay of a specimen of alloyed silver, is the careful weighing of an assay SILYEB.
What to read after A Manual of Metallurgy: More Particularly of the Precious Metals, Including ...?
You can find similar books in the "Read Also" column, or choose other free books by George Hogarth Makins to read onlineMoreLess
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