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
... common Miners to a regular science , and bringing the experience of many into a fingle point of view . Nor will thofe advantages be confined folely to practical Miners : every corner of this ifland , Ireland , and many of the colonies ...
... common Miners to a regular science , and bringing the experience of many into a fingle point of view . Nor will thofe advantages be confined folely to practical Miners : every corner of this ifland , Ireland , and many of the colonies ...
الصفحة
... Common falt , its ufe at the furnace - Borax - Sandiver - Kelp - Their properties in fufing of Metals , 39 , 40. Sal Ammoniack , common glafs , Slaggs of Metal , Charcoal , & c . 40. Minerals ; Mundick , in all our Metal Lodes ...
... Common falt , its ufe at the furnace - Borax - Sandiver - Kelp - Their properties in fufing of Metals , 39 , 40. Sal Ammoniack , common glafs , Slaggs of Metal , Charcoal , & c . 40. Minerals ; Mundick , in all our Metal Lodes ...
الصفحة
... common at fhallow levels - A lump of Native Cop- per four tons in North - America , 61. Copper Ore in pureft ftates , is Statactical , Guttatim , and Machacada - Of green and blue Copper Ores - Grey Ore - Black Ore ought to be ...
... common at fhallow levels - A lump of Native Cop- per four tons in North - America , 61. Copper Ore in pureft ftates , is Statactical , Guttatim , and Machacada - Of green and blue Copper Ores - Grey Ore - Black Ore ought to be ...
الصفحة
... common - described - a tender red , a tender brown , 88. A dry pale Goffan , a poor Tin Goffan , and a Kal or Kally Goffan - Kal very ferruginous , 89. A Peach Lode , better for Tin than Copper ; a Scovan Lode , productive of Tin only ...
... common - described - a tender red , a tender brown , 88. A dry pale Goffan , a poor Tin Goffan , and a Kal or Kally Goffan - Kal very ferruginous , 89. A Peach Lode , better for Tin than Copper ; a Scovan Lode , productive of Tin only ...
الصفحة
... common Slide , 109 , 110 . воок III . CHAP . I. The various , ancient , and modern Methods for Discovery of Mines , & c . by Shoding , Cofteaning , & c . with several very curious Difquifitions , Obfervations , and Experiments , upon ...
... common Slide , 109 , 110 . воок III . CHAP . I. The various , ancient , and modern Methods for Discovery of Mines , & c . by Shoding , Cofteaning , & c . with several very curious Difquifitions , Obfervations , and Experiments , upon ...
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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