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
... 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 down by Hill , Da Cofta , Cronstedt , and others ...
... 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 down by Hill , Da Cofta , Cronstedt , and others ...
الصفحة
... Courses , Mr. Whifton's hypothefis of the deluge by a comet ap- plied as a probable caufe of Cross - Goffans , 102. their ... Course - Goffans , at Goon- Lâz and the Pink Mines , 107. How to find the loft part of the Lode again , 108 ...
... Courses , Mr. Whifton's hypothefis of the deluge by a comet ap- plied as a probable caufe of Cross - Goffans , 102. their ... Course - Goffans , at Goon- Lâz and the Pink Mines , 107. How to find the loft part of the Lode again , 108 ...
الصفحة 7
... course of two thousand years , might at this time be productive of Gold and Silver enough , to furnish a sum ten thousand times ten thousand greater than our national debt . But the wisdom of God , for the benefit of his creatures , has ...
... course of two thousand years , might at this time be productive of Gold and Silver enough , to furnish a sum ten thousand times ten thousand greater than our national debt . But the wisdom of God , for the benefit of his creatures , has ...
الصفحة 15
... course of upwards of fifty miles , difgorges itself again into the Bristol- channel in Barnftaple - bay , not twenty miles N. E. from its head . Let us adduce the rise of these two rivers , as pofitive proof against Dr. Halley's ...
... course of upwards of fifty miles , difgorges itself again into the Bristol- channel in Barnftaple - bay , not twenty miles N. E. from its head . Let us adduce the rise of these two rivers , as pofitive proof against Dr. Halley's ...
الصفحة 24
... course of nature , to diffolve this ftony matter , though we cannot make it do fo in any of our operations . If Water can diffolve ftony matter , Water may take it out of one place of the carth , and carry it to another . will perhaps ...
... course of nature , to diffolve this ftony matter , though we cannot make it do fo in any of our operations . If Water can diffolve ftony matter , Water may take it out of one place of the carth , and carry it to another . will perhaps ...
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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