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 11
... same fluid , he may find it in what has been before faid ; and will prefently join in opinion with me , in the properties attributed to Goffan Lodes : and this will be a further demonftration of the decompofition of those Waters into ...
... same fluid , he may find it in what has been before faid ; and will prefently join in opinion with me , in the properties attributed to Goffan Lodes : and this will be a further demonftration of the decompofition of those Waters into ...
الصفحة 59
... same time the base and more useful Metals are beftowed upon us in common with the reft of the world . In our kingdom of Dan- monii Silver Mines were discovered in Edward the firft's time , when 337 men were brought from the peak in ...
... same time the base and more useful Metals are beftowed upon us in common with the reft of the world . In our kingdom of Dan- monii Silver Mines were discovered in Edward the firft's time , when 337 men were brought from the peak in ...
الصفحة 117
... same size . The shape of the rod thus prepared , will be between 2 and 3 feet long , like fig . 3 , plate 2. They must be tied together at their great or root ends , the smaller being to be held in the hands . Hazle rods cut in the ...
... same size . The shape of the rod thus prepared , will be between 2 and 3 feet long , like fig . 3 , plate 2. They must be tied together at their great or root ends , the smaller being to be held in the hands . Hazle rods cut in the ...
الصفحة 140
... same as for Copper ; and the acknowledgment , Dish , or Dues paid to the lord , is commonly one - fixth , feventh , eighth , ninth , even to one - twelfth , or less under some peculiar circumstances ; only that the dues for Copper are ...
... same as for Copper ; and the acknowledgment , Dish , or Dues paid to the lord , is commonly one - fixth , feventh , eighth , ninth , even to one - twelfth , or less under some peculiar circumstances ; only that the dues for Copper are ...
الصفحة 309
... same time , made experiments that were decifive upon the true bulk of fteam , when compared to the water it is compofed of . refult of these experiments he intends to lay before the publick , in a treatise upon that fubject . The If we ...
... same time , made experiments that were decifive upon the true bulk of fteam , when compared to the water it is compofed of . refult of these experiments he intends to lay before the publick , in a treatise upon that fubject . The If we ...
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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