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
... these kingdoms . The great parts of this work are arranged in the following order . The first book treats of the origin , formation , and substance of Minerals and Metals ; the first and second chapters of which inculcate the doctrine ...
... these kingdoms . The great parts of this work are arranged in the following order . The first book treats of the origin , formation , and substance of Minerals and Metals ; the first and second chapters of which inculcate the doctrine ...
الصفحة
... these only from their vifible effects in the Mines of Cornwall . The fecond chapter contains little or no theory , being only a natural history of the contents of Lodes , according to their outward appearance ; and any perfon a little ...
... these only from their vifible effects in the Mines of Cornwall . The fecond chapter contains little or no theory , being only a natural history of the contents of Lodes , according to their outward appearance ; and any perfon a little ...
الصفحة
... These proceffes are little 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 ...
... These proceffes are little 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 ...
الصفحة x
... these kingdoms . With much fatisfaction we can reflect upon the fingular nature of our staple commodities , they being attainable at the certain lofs of none but thofe who feek a recompence from the purfuit . Now in fome kinds of trade ...
... these kingdoms . With much fatisfaction we can reflect upon the fingular nature of our staple commodities , they being attainable at the certain lofs of none but thofe who feek a recompence from the purfuit . Now in fome kinds of trade ...
الصفحة 4
... these metal- lick diftributions may have experienced a decay and alteration by the action of the different elements upon them , according to their specifick induration or laxity . I have before obferved , that Metals are fubject to a ...
... these metal- lick diftributions may have experienced a decay and alteration by the action of the different elements upon them , according to their specifick induration or laxity . I have before obferved , that Metals are fubject to a ...
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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