British Encyclopedia: Or, Dictionary of Arts and Sciences, Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Tom 12Mitchell, Ames, and White, 1821 |
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... metal denominated TANTALIUM , which see . TANTALIUM , a metal discovered by M. Ekeberg , in the mineral just mention- ed ; and in another named Ytrotantalite . From each he extracted by means of the fixed alkalies a white powder , which ...
... metal denominated TANTALIUM , which see . TANTALIUM , a metal discovered by M. Ekeberg , in the mineral just mention- ed ; and in another named Ytrotantalite . From each he extracted by means of the fixed alkalies a white powder , which ...
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... metal will be obtained , which is the whitest , hardest , and most reflective . The first composition is , however , for inexperienced persons , the best , as the easiest to cast , to grind , and polish . When this is employed , the ...
... metal will be obtained , which is the whitest , hardest , and most reflective . The first composition is , however , for inexperienced persons , the best , as the easiest to cast , to grind , and polish . When this is employed , the ...
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... metal , di- minished by one third of its thickness , to be received into a hole in another piece , called a mortise , for the jointing or fastening the two together . made in various forms , square , dove- tailed for double mortises ...
... metal , di- minished by one third of its thickness , to be received into a hole in another piece , called a mortise , for the jointing or fastening the two together . made in various forms , square , dove- tailed for double mortises ...
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... metal at once . ING . See Assar- TESTACEA , in natural history , an or- der of the class Vermes in the Linnæan system . It is described as a Mollusca , that is , a soft animal , of a simple struc- ture , covered with a calcareous ...
... metal at once . ING . See Assar- TESTACEA , in natural history , an or- der of the class Vermes in the Linnæan system . It is described as a Mollusca , that is , a soft animal , of a simple struc- ture , covered with a calcareous ...
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... metal well known in the arts , and even applied in the fabrica- tion of many ornaments of luxury . He ascribes to the Gauls the invention of the art of tinning , or covering other metals with a thin coat of tin . The alchemists were ...
... metal well known in the arts , and even applied in the fabrica- tion of many ornaments of luxury . He ascribes to the Gauls the invention of the art of tinning , or covering other metals with a thin coat of tin . The alchemists were ...
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