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
... deep Mines by both , 16 . The increase of water in the bottoms of a deep Mine , by an eaft wind , a mistake , 16. The true caufe , 17. Earthquakes from three causes probably , viz . Water , Mineral combinations , and electrick æther ...
... deep Mines by both , 16 . The increase of water in the bottoms of a deep Mine , by an eaft wind , a mistake , 16. The true caufe , 17. Earthquakes from three causes probably , viz . Water , Mineral combinations , and electrick æther ...
الصفحة
... Deep Mining not ancient - Of the Coffin and Shammels , 141 . Proper place of a working Shaft or underlier , Whym Shaft , and fire engine Shaft , 142 , 143. Of cutting the Lode and turning house of finking other Shafts and ftopeing the ...
... Deep Mining not ancient - Of the Coffin and Shammels , 141 . Proper place of a working Shaft or underlier , Whym Shaft , and fire engine Shaft , 142 , 143. Of cutting the Lode and turning house of finking other Shafts and ftopeing the ...
الصفحة iii
... deep Mining was at all known . We have authority to fay , from Mr. Carew , and a M. S. of Serjeant Maynard , which we have feen , that the working of Lodes was unknown to our ancestors in the firft ten centuries after the incarnation ...
... deep Mining was at all known . We have authority to fay , from Mr. Carew , and a M. S. of Serjeant Maynard , which we have feen , that the working of Lodes was unknown to our ancestors in the firft ten centuries after the incarnation ...
الصفحة viii
... deep treasures of the terrene fyftem . Men , money , and materials , in former times , were more scarce : and the increase of popula- tion and specie in latter days , have progreffively and mutually operated , to lay open and discover ...
... deep treasures of the terrene fyftem . Men , money , and materials , in former times , were more scarce : and the increase of popula- tion and specie in latter days , have progreffively and mutually operated , to lay open and discover ...
الصفحة x
... deep , which in its hidden ftate yields neither glory to God nor service to man : " And all this out of a narrow flip of land ufually of the moft " barren hilly kind , without diftreffing tillage , pafture , and " the like , fcarcely ...
... deep , which in its hidden ftate yields neither glory to God nor service to man : " And all this out of a narrow flip of land ufually of the moft " barren hilly kind , without diftreffing tillage , pafture , and " the like , fcarcely ...
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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