Mineralogia Cornubiensis: A Treatise on Minerals, Mines, and Mining: Containing the Theory and Natural History of Strata, Fissures, and Lodes, with the Methods of Discovering and Working of Tin, Copper, and Lead Mines, and of Cleansing and Metalizing Their Products; Shewing Each Particular Process for Dressing, Assaying and Smelting of Ores. To which is Added, an Explanation of the Terms and Idioms of MinersD. Bradford Barton Limited, 1778 - 331 من الصفحات |
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الصفحة x
... kind , without diftreffing tillage , pafture , and " the like , fcarcely worth the remarking ; and very far short of " the improvements in rent for thofe lands which are in the vicinity of the Mines . " ( Borlafe ) . cc Mr. Scawen , of ...
... kind , without diftreffing tillage , pafture , and " the like , fcarcely worth the remarking ; and very far short of " the improvements in rent for thofe lands which are in the vicinity of the Mines . " ( Borlafe ) . cc Mr. Scawen , of ...
الصفحة 3
... kind of moift vapour or Gas , that changes the earth and juices it meets with in a vein into a mineral body or substance and thence converts the Minerals into Metals or Ores by a conti- nued fermentation and elaboration in the Mines ...
... kind of moift vapour or Gas , that changes the earth and juices it meets with in a vein into a mineral body or substance and thence converts the Minerals into Metals or Ores by a conti- nued fermentation and elaboration in the Mines ...
الصفحة 4
... kind of alteration . The most common opinion among the Miners in Cornwall is , that crude immature Minerals do nourish and feed the Ores with which they are intermixed in the Mines ; and that the Minerals themselves will , in procefs of ...
... kind of alteration . The most common opinion among the Miners in Cornwall is , that crude immature Minerals do nourish and feed the Ores with which they are intermixed in the Mines ; and that the Minerals themselves will , in procefs of ...
الصفحة 7
... kind to another , as Mundick into Copper , Lead into Silver , Silver into Gold , & c . For when Metals or Ores do once arrive to their utmost perfection , which probably they were endued with from the beginning , and which is always ...
... kind to another , as Mundick into Copper , Lead into Silver , Silver into Gold , & c . For when Metals or Ores do once arrive to their utmost perfection , which probably they were endued with from the beginning , and which is always ...
الصفحة 8
... kind . We may likewise conclude from the premises , that the opinion of thofe , who hold that Metals in the earth continue in the fame state as at first , is erroneous ; because the migration and egress of Metals and Minerals , is ...
... kind . We may likewise conclude from the premises , that the opinion of thofe , who hold that Metals in the earth continue in the fame state as at first , is erroneous ; because the migration and egress of Metals and Minerals , is ...
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عبارات ومصطلحات مألوفة
Adit adventurers affay alfo almoſt alſo anſwer Antimony Aqua Fortis becauſe beſt black Tin bottom buddle cafe calcination called caufe cauſe colour confequence confiderable Copper Cornwall courſe Cryſtal depth diffolved diſcovered diſcovery diſtance dreffing earth eaſily expence facks faid falts fame fathoms feet feldom feparated feven feveral fhall fhillings fhould fhovel fide Fiffures fink fire firft firſt fituation fize fmall folid fome fometimes foon fouth fteam ftrata ftratum fubject fuch fufficient funk fuppofe furface Goffan Gold ground hundred inches inftance Iron itſelf laft lefs leſs likewife Lode meaſure Metal metallick Mineral Mines moft moſt muft Mundick muſt neceffary obferved occafion particles perfons petrifactive pounds prefent purpoſe quantity raiſed reaſon Redruth refpect rich Semi-metals ſeparate Shaft ſhall Shode Silver ſmall ſome ſtate Stones thefe themſelves theſe thofe thoſe thouſand Tin-ftuff Tinners tons underlie uſed vein waſhed weft white Tin Whym