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
... Goffan the nidus for moft Metals and Minerals , 6 , 7. No tranfmutation of Metals , 7 . Yet Metals liable to increase or decay , according to the folution , retention , or tranfmigration of their respective principles , ad infinitum ...
... Goffan the nidus for moft Metals and Minerals , 6 , 7. No tranfmutation of Metals , 7 . Yet Metals liable to increase or decay , according to the folution , retention , or tranfmigration of their respective principles , ad infinitum ...
الصفحة
... Goffan , and Cockle - Cal , a hurtful mixture with Tin - Of our Ochres - Defcription of Cockle , Talc , and Glift , 44 , 45 . Bifmuth , natural hiftory of , how to affay it , 45 , 46. Black- Jack or Mock - Lead is a Zink Ore ; ufeful ...
... Goffan , and Cockle - Cal , a hurtful mixture with Tin - Of our Ochres - Defcription of Cockle , Talc , and Glift , 44 , 45 . Bifmuth , natural hiftory of , how to affay it , 45 , 46. Black- Jack or Mock - Lead is a Zink Ore ; ufeful ...
الصفحة
... Goffan Lodes moft 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 ...
... Goffan Lodes moft 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 ...
الصفحة
... Goffan and Crofs - Goffan Lodes , 105. The inclination or underlie of Lodes towards each other , and the changes and diforders occafioned thereby - Of two Lodes underlying both alike , 106. Of the Start , Leap , or Heave , by a Slide or ...
... Goffan and Crofs - Goffan Lodes , 105. The inclination or underlie of Lodes towards each other , and the changes and diforders occafioned thereby - Of two Lodes underlying both alike , 106. Of the Start , Leap , or Heave , by a Slide or ...
الصفحة
... Goffan , eafily found by the rod - its comparative attraction and repulfion , 122. At any depth , water found by the rod - Inftances of Lodes found by it , 123. Of Cofteaning and Shoding -Shode Stones feparated by the deluge , 124 ...
... Goffan , eafily found by the rod - its comparative attraction and repulfion , 122. At any depth , water found by the rod - Inftances of Lodes found by it , 123. Of Cofteaning and Shoding -Shode Stones feparated by the deluge , 124 ...
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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