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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النتائج 1-5 من 47
الصفحة
... driving Adits , digging and raifing of Ores , drawing the water , and every other operation under - ground . This is intended to ex- plain the feveral parts of a Mine , and their dependency on each other ; and to evince that fuch ...
... driving Adits , digging and raifing of Ores , drawing the water , and every other operation under - ground . This is intended to ex- plain the feveral parts of a Mine , and their dependency on each other ; and to evince that fuch ...
الصفحة
... driving Adits , digging and raising of Ores , drawing the Water , and working the Mines . O F Bounds and the cutting of them , 137. Their anti- quity - Charter , 33d Edward I , anno 1305 - Quotations from ancient MSS . 138 , 139. Of the ...
... driving Adits , digging and raising of Ores , drawing the Water , and working the Mines . O F Bounds and the cutting of them , 137. Their anti- quity - Charter , 33d Edward I , anno 1305 - Quotations from ancient MSS . 138 , 139. Of the ...
الصفحة
... driving , and ftopeing by the fathom ; illuftrated by examples , 180. Of the cubick fathom , and the fuperficial fathom , 181. The fingle Gunnies , the double Gunnies illustrated , 182 , 183. Strictures on working by the fathom or Tub ...
... driving , and ftopeing by the fathom ; illuftrated by examples , 180. Of the cubick fathom , and the fuperficial fathom , 181. The fingle Gunnies , the double Gunnies illustrated , 182 , 183. Strictures on working by the fathom or Tub ...
الصفحة 11
... driving mill or engine wheels . Such Water is quite noxious , and palpably vitriolick to the tafte , particularly at the Mines of North- Downs , Downs , Chacewater , and Huel - Virgin . I OF METALS , MINERALS , & c . II.
... driving mill or engine wheels . Such Water is quite noxious , and palpably vitriolick to the tafte , particularly at the Mines of North- Downs , Downs , Chacewater , and Huel - Virgin . I OF METALS , MINERALS , & c . II.
الصفحة 47
... this Antimony , exclufive of driving an adit to the Mine , has been less than one third of the amount of its produce . The remainder remainder of the one hundred and twenty tons above mentioned AND THEIR FLUX E S. 47.
... this Antimony , exclufive of driving an adit to the Mine , has been less than one third of the amount of its produce . The remainder remainder of the one hundred and twenty tons above mentioned AND THEIR FLUX E S. 47.
المحتوى
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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