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
... pound fterling - Tin for nearly the fame - Calculation for taking a Tin or Copper Pitch upon Tribute , 192 , 193 , 194 . CHA P. V. Of Damps in Mines , and of Levelling and Dialling Mines , Adits , & c . Ο Of N the infalubrity of Mineral ...
... pound fterling - Tin for nearly the fame - Calculation for taking a Tin or Copper Pitch upon Tribute , 192 , 193 , 194 . CHA P. V. Of Damps in Mines , and of Levelling and Dialling Mines , Adits , & c . Ο Of N the infalubrity of Mineral ...
الصفحة ix
... pounds , including the land owner's fhare , which is generally a fixth , feventh , or eighth part , in fpecie , of the whole proceeds . d From From a comparative view of the charges in working of INTRODUCTION . ix draulicks and ...
... pounds , including the land owner's fhare , which is generally a fixth , feventh , or eighth part , in fpecie , of the whole proceeds . d From From a comparative view of the charges in working of INTRODUCTION . ix draulicks and ...
الصفحة xi
... pounds nine fhillings for grain Tin , and three pounds " five fhillings hundred weight for common Tin , are the " lowest prices for which fuch Tin will be fold to the con- " tractors , exclufive of all coinage duties and fees . " The ...
... pounds nine fhillings for grain Tin , and three pounds " five fhillings hundred weight for common Tin , are the " lowest prices for which fuch Tin will be fold to the con- " tractors , exclufive of all coinage duties and fees . " The ...
الصفحة xii
... pounds fix fhillings and fixpence , amounting to the fum of one million two hundred and forty - three thousand and forty - five pounds , and one hundred and twenty - four thoufand three hun- dred and four pounds yearly . Lastly , from ...
... pounds fix fhillings and fixpence , amounting to the fum of one million two hundred and forty - three thousand and forty - five pounds , and one hundred and twenty - four thoufand three hun- dred and four pounds yearly . Lastly , from ...
الصفحة xiii
... pounds , and the feparate gain being aggregate ; upon a dividend of twelve and a half cent . it will come out fifty thoufand pounds , which is only a profit of one- eighth upon the certain rifk of fo large a fum : but those who are ...
... pounds , and the feparate gain being aggregate ; upon a dividend of twelve and a half cent . it will come out fifty thoufand pounds , which is only a profit of one- eighth upon the certain rifk of fo large a fum : but those who are ...
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طبعات أخرى - عرض جميع المقتطفات
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