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
... those of Cornwall only ; and as they occur in the course of my work , have defcribed each in its incidental place . My readers will eafily perceive , that if I had fyftematically obferved those rules of genera , clafs , and order , laid ...
... those of Cornwall only ; and as they occur in the course of my work , have defcribed each in its incidental place . My readers will eafily perceive , that if I had fyftematically obferved those rules of genera , clafs , and order , laid ...
الصفحة
... those products , without infringing too much upon the fecrets of private trade . And though I have not forgotten to ... those terms in alphabetical order , including the relation they bear to those of the Lead Mines and Collieries . a ...
... those products , without infringing too much upon the fecrets of private trade . And though I have not forgotten to ... those terms in alphabetical order , including the relation they bear to those of the Lead Mines and Collieries . a ...
الصفحة iv
... those days , the Metal was produced from stream or fhode ftones only , we must undoubtedly have difcovered , in latter times , those Lodes or veins from whence they were difmembered by the deluge . They must have been wrought for Tin ...
... those days , the Metal was produced from stream or fhode ftones only , we must undoubtedly have difcovered , in latter times , those Lodes or veins from whence they were difmembered by the deluge . They must have been wrought for Tin ...
الصفحة v
... those parts of the world , which were feparated from the Jews by the sea , and peopled by the pofterity of Japhet , who fettled themselves in the islands of the Gentiles . So that the islands , in the pro- phetical ftile , feem ...
... those parts of the world , which were feparated from the Jews by the sea , and peopled by the pofterity of Japhet , who fettled themselves in the islands of the Gentiles . So that the islands , in the pro- phetical ftile , feem ...
الصفحة viii
... those skin - deep adventures , preferably to the deep Mines ; but this is by no means the cafe in practical Mining : for , if a Mine , when he is firft difcovered , throws up a large profit to the ad- venturers , and fails foon after to ...
... those skin - deep adventures , preferably to the deep Mines ; but this is by no means the cafe in practical Mining : for , if a Mine , when he is firft difcovered , throws up a large profit to the ad- venturers , and fails foon after to ...
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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