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
... known , that Tin and Lead were the firft and grandeft ftaples of Great - Britain , particularly the former , which introduced a trade and navigation before unknown to the difcoverers of our weftern coasts . This trade founded on Mining ...
... known , that Tin and Lead were the firft and grandeft ftaples of Great - Britain , particularly the former , which introduced a trade and navigation before unknown to the difcoverers of our weftern coasts . This trade founded on Mining ...
الصفحة
... known out of the Cornish affay offices , and have been too long kept profoundly fecret , for purposes which the reader will readily comprehend . The method of affaying Tin Ore is very fimple and efficacious , from the easy fufibility of ...
... known out of the Cornish affay offices , and have been too long kept profoundly fecret , for purposes which the reader will readily comprehend . The method of affaying Tin Ore is very fimple and efficacious , from the easy fufibility of ...
الصفحة
... known to the firft inhabitants of Britain , ii . From Shode or Stream , ii . Lode works about feven hundred years standing -Of the antiquity of Tin , iii . Few Veftigia of Tin in Scilly- Iflands , iv . Author's opinion , that Tin was ...
... known to the firft inhabitants of Britain , ii . From Shode or Stream , ii . Lode works about feven hundred years standing -Of the antiquity of Tin , iii . Few Veftigia of Tin in Scilly- Iflands , iv . Author's opinion , that Tin was ...
الصفحة
... known properties of water , 10. In its circulation through the earth , a vehicle of Mineral particles , till arrested by their magnetick nidufes , 10. proved by the waters of Huel - Sparnon and Pednandrea Mines , which are wholesome ...
... known properties of water , 10. In its circulation through the earth , a vehicle of Mineral particles , till arrested by their magnetick nidufes , 10. proved by the waters of Huel - Sparnon and Pednandrea Mines , which are wholesome ...
الصفحة
... known as a staple of England , 58. Silver feldom found in Britain out of Lead - Of the Silver Mines in Europe - Of the Mine of Potofi , 59. But four forts of Silver Ore - Silver per too foft for use , 60. Copper , foluble in all ...
... known as a staple of England , 58. Silver feldom found in Britain out of Lead - Of the Silver Mines in Europe - Of the Mine of Potofi , 59. But four forts of Silver Ore - Silver per too foft for use , 60. Copper , foluble in all ...
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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