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
... calcination , and by the regule way , are both infallible , if the operator will be attentive to his business . These proceffes are little known out of the Cornish affay offices , and have been too long kept profoundly fecret , for ...
... calcination , and by the regule way , are both infallible , if the operator will be attentive to his business . These proceffes are little known out of the Cornish affay offices , and have been too long kept profoundly fecret , for ...
الصفحة
... Calcining , and Dreffing the fame ; with the Manner of Dreffing the Leavings , Loobs , & c . F Spalling and dividing the Tin - stuff , and taking the and its value , 216 , 217. Of Tin in the Bal , 218. Of ftamp- ing the Tin - stuff and ...
... Calcining , and Dreffing the fame ; with the Manner of Dreffing the Leavings , Loobs , & c . F Spalling and dividing the Tin - stuff , and taking the and its value , 216 , 217. Of Tin in the Bal , 218. Of ftamp- ing the Tin - stuff and ...
الصفحة
... calcining the Ore , 260 . Of fcorifying , 261. That operation explained - Of refining the impure Copper , 262. Often repeated - Of reducing the fcoria for refining the Prill - A nice operation , 263. To affay Copper Ore the regule way ...
... calcining the Ore , 260 . Of fcorifying , 261. That operation explained - Of refining the impure Copper , 262. Often repeated - Of reducing the fcoria for refining the Prill - A nice operation , 263. To affay Copper Ore the regule way ...
الصفحة
... calcining , making the regulus , and refining thereof Regulus of Semi - Metals , the efficient cause of their colours , 270. To affay Bismuth , 271 . С НА Р. II . Of Smelting of Copper Ores in the great Furnaces called Copper Works . OF ...
... calcining , making the regulus , and refining thereof Regulus of Semi - Metals , the efficient cause of their colours , 270. To affay Bismuth , 271 . С НА Р. II . Of Smelting of Copper Ores in the great Furnaces called Copper Works . OF ...
الصفحة 5
... calcined in the proper furnace , commonly called a Burn- ing - House . The Copper contained in this water , is kept in solution by an acid ; and this acid having a greater affinity with Iron than with Copper , on the immerfion of Iron ...
... calcined in the proper furnace , commonly called a Burn- ing - House . The Copper contained in this water , is kept in solution by an acid ; and this acid having a greater affinity with Iron than with Copper , on the immerfion of Iron ...
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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