Instructions for Collecting Testing Melting And Assaying Gold With a Descript
Instructions for Collecting Testing Melting And Assaying Gold With a Descript
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In our eReader you can find the full English version of the book. Read Instructions for Collecting Testing Melting And Assaying Gold With a Descript 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 Instructions for Collecting Testing Melting And Assaying Gold With a Descript
What reading level is Instructions for Collecting Testing Melting And Assaying Gold With a Descript book?
To quickly assess the difficulty of the text, read a short excerpt:
The stopper (e) is to close either of these pipes when not in use.
There are two sand-baths, one (c) for retorts, and one (d) made double, for evaporations.
The dome is lined with fire clay, and is used when a great heat is required.
The whole furnace is made in the most careful manner, of strong and durable materials.
For obtaining the greatest heat which can be produced by the above furnace, a double bellows (Fig. 16) should be connected with the small pipe at the bottom of the furnace, by me...ans of a bent iron pipe, formed so as to raise the bellows a few feet from the floor.
For melting gold, and other metals, good crucibles are required. Of these there are different kinds ; those most . Generally used for metals are the Hes- \ / sian. (Figs. 17 and 18. ) These cruci- bles are imported in nests, and may be had of different sizes, in shape either round or triangular. They are gene- rally without covers, and as a substitute for these, a smaller crucible inserted within a larger one may be used.
What to read after Instructions for Collecting Testing Melting And Assaying Gold With a Descript?
You can find similar books in the "Read Also" column, or choose other free books by Edward N Kent to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The stopper (e) is to close either of these pipes when not in use.
There are two sand-baths, one (c) for retorts, and one (d) made double, for evaporations.
The dome is lined with fire clay, and is used when a great heat is required.
The whole furnace is made in the most careful manner, of strong and durable materials.
For obtaining the greatest heat which can be produced by the above furnace, a double bellows (Fig. 16) should be connected with the small pipe at the bottom of the furnace, by me...ans of a bent iron pipe, formed so as to raise the bellows a few feet from the floor.
For melting gold, and other metals, good crucibles are required. Of these there are different kinds ; those most . Generally used for metals are the Hes- \ / sian. (Figs. 17 and 18. ) These cruci- bles are imported in nests, and may be had of different sizes, in shape either round or triangular. They are gene- rally without covers, and as a substitute for these, a smaller crucible inserted within a larger one may be used.
What to read after Instructions for Collecting Testing Melting And Assaying Gold With a Descript?
You can find similar books in the "Read Also" column, or choose other free books by Edward N Kent to read onlineMoreLess
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