The Best Guide to St. Louis And the World's Fair ..
The book The Best Guide to St. Louis And the World's Fair .. was written by author Best, A. Richman, [from Old Catalog] Ed Here you can read free online of The Best Guide to St. Louis And the World's Fair .. book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Best Guide to St. Louis And the World's Fair .. a good or bad book?
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The machinery connected with mining and quarrying operations is shown, either in actual equipment or in working models. The treatment of iron ores, the manufacture of iron and steel in bars, as well as of finished products in iron and steel, and many other processes are going on before the eyes of the spectator. Similar arrangments are made with regard to electro-metal- lurgy, processes of washing goldsmith's dust and dust from refiners of precious metals, of the exact rolling and beating of go...ld, silver, tin, etc. Contiguous to the Palace of Mines and Metallurgy there has been set aside an area of nearly twelve acres for •outdoor exhibits. In the hill which constitutes a portion of this place tunnels and drifts are driven, wherein the methods of drilling, timbering and ventilating mines are shown, besides the underground transportation and hand- ling of ores. A coal mine (located on a two-foot seam of coal whicli was discovered within the Exposition grounds), a lead and zinc and a copper mine, each separate from the other, are opened.
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