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 3
... suppose are as matrixes to contain and nourish Metals in embrio ; fo that in the space of a thousand years , it feems , a Metal is generated and perfected de novo , according to the concurrent causes , fuch as the impregnation of the ...
... suppose are as matrixes to contain and nourish Metals in embrio ; fo that in the space of a thousand years , it feems , a Metal is generated and perfected de novo , according to the concurrent causes , fuch as the impregnation of the ...
الصفحة 7
... suppose to happen in our foluble Minerals , fuch as Copper Ore for inftance , we might expect to meet with the most perfect Metals in our Mines ; and our richest Tin Mines , by the elaboration and melioration of them in the course of ...
... suppose to happen in our foluble Minerals , fuch as Copper Ore for inftance , we might expect to meet with the most perfect Metals in our Mines ; and our richest Tin Mines , by the elaboration and melioration of them in the course of ...
الصفحة 9
... suppose Metals to continue always in the fame state . But though I am not fond of fingularity , I cannot help diffenting from the common tra- ditions , for the reasons I have given ; which , I hope , are so plain and natural , as to ...
... suppose Metals to continue always in the fame state . But though I am not fond of fingularity , I cannot help diffenting from the common tra- ditions , for the reasons I have given ; which , I hope , are so plain and natural , as to ...
الصفحة 14
... suppose it is generally confidered , as effected by the falt water being filtrated and ftrained through a confiderrble body of earth in its paffage from the sea to the fountain head . As a juftification of this fuppofition , we beg ...
... suppose it is generally confidered , as effected by the falt water being filtrated and ftrained through a confiderrble body of earth in its paffage from the sea to the fountain head . As a juftification of this fuppofition , we beg ...
الصفحة 15
... suppose , from the Bristol - channel , within five or fix miles from Hartland- point ; and after running near an hundred miles due fouth , empties itself into the English - channel at Plymouth ; whilst the river Torridge , which rifes ...
... suppose , from the Bristol - channel , within five or fix miles from Hartland- point ; and after running near an hundred miles due fouth , empties itself into the English - channel at Plymouth ; whilst the river Torridge , which rifes ...
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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