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
... Leavings , Loobs , & c . F Spalling and dividing the Tin - stuff , and taking the and its value , 216 , 217. Of Tin ... leavings , 226. Trunking the tails , trunking and framing the flimes , 227. Of the kofer and cazing , 228. Of the ...
... Leavings , Loobs , & c . F Spalling and dividing the Tin - stuff , and taking the and its value , 216 , 217. Of Tin ... leavings , 226. Trunking the tails , trunking and framing the flimes , 227. Of the kofer and cazing , 228. Of the ...
الصفحة 135
... occafioned by the refufe and leavings from the ftamping mills , & c . which are carried by the rivers down to the lower grounds ; and and after fome years lying and collecting there , yield SMELTING OF STREAM TIN . 135.
... occafioned by the refufe and leavings from the ftamping mills , & c . which are carried by the rivers down to the lower grounds ; and and after fome years lying and collecting there , yield SMELTING OF STREAM TIN . 135.
الصفحة 193
... leavings of which ( a term that will be more eafily comprehended , by turning to the chapter upon dreffing of Tin ) at five fhillings hundred weight , or more commonly expreffed at fifty fhillings thousand " or half ton , is fifteeen ...
... leavings of which ( a term that will be more eafily comprehended , by turning to the chapter upon dreffing of Tin ) at five fhillings hundred weight , or more commonly expreffed at fifty fhillings thousand " or half ton , is fifteeen ...
الصفحة 194
... leavings at forty fhillings for ten hundred weight of white Tin ( the richeft Tin generally yields the pooreft leavings , which will be fhewn hereafter ) will give fix fhillings and threepence , which added to five pounds and ninepence ...
... leavings at forty fhillings for ten hundred weight of white Tin ( the richeft Tin generally yields the pooreft leavings , which will be fhewn hereafter ) will give fix fhillings and threepence , which added to five pounds and ninepence ...
الصفحة 215
... Leavings , Loobs , & c . T IN - STUFF that lies by the fide of the Shaft , when it becomes a great heap , or if it otherwise fuits the humour of the concerned , is firft fpalled or broken to the fize of a man's fift or lefs , by which ...
... Leavings , Loobs , & c . T IN - STUFF that lies by the fide of the Shaft , when it becomes a great heap , or if it otherwise fuits the humour of the concerned , is firft fpalled or broken to the fize of a man's fift or lefs , by which ...
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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