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
... surface , 87. Twelve general different kinds of Tin and Copper Lodes Goffan Lodes moft common - described - a tender red , a tender brown , 88. A dry pale Goffan , a poor Tin Goffan , and a Kal or Kally Goffan - Kal very ferruginous ...
... surface , 87. Twelve general different kinds of Tin and Copper Lodes Goffan Lodes moft common - described - a tender red , a tender brown , 88. A dry pale Goffan , a poor Tin Goffan , and a Kal or Kally Goffan - Kal very ferruginous ...
الصفحة 23
... surface . ( Hill ) Thus is the wound of a knife healed up , much as the fracture of a bone is consolidated , by a callus formed of the extravafated nutritious juice , which rises above the surface of the bone . Such cicatrixes have been ...
... surface . ( Hill ) Thus is the wound of a knife healed up , much as the fracture of a bone is consolidated , by a callus formed of the extravafated nutritious juice , which rises above the surface of the bone . Such cicatrixes have been ...
الصفحة 49
... surface , and will bear to be cut with the knife . The inner part , where it is always very bright when fresh broken or cut , is alfo found , in fome places , in a much more beautiful appearance than either of thefe , being of a fine ...
... surface , and will bear to be cut with the knife . The inner part , where it is always very bright when fresh broken or cut , is alfo found , in fome places , in a much more beautiful appearance than either of thefe , being of a fine ...
الصفحة 85
... surface of St. Agnes beacon , and those distortions of the Strata , & c . in our parts , fome inclining one way , fome another , and fome quite reversed . Neither will this elevation of the deep , and con- comitant fubfidence of the ...
... surface of St. Agnes beacon , and those distortions of the Strata , & c . in our parts , fome inclining one way , fome another , and fome quite reversed . Neither will this elevation of the deep , and con- comitant fubfidence of the ...
الصفحة 87
... surface cannot be largely faturated with ; and having lefs depth of Strata to receive the metallick folutions from , they of neceffity cannot be furnished with ftrong menftrua , to act upon the Lodes , or depofite themselves . Although ...
... surface cannot be largely faturated with ; and having lefs depth of Strata to receive the metallick folutions from , they of neceffity cannot be furnished with ftrong menftrua , to act upon the Lodes , or depofite themselves . Although ...
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طبعات أخرى - عرض جميع المقتطفات
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