Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... Copper Orc was first taken from the method: used in the Lead Mincs, yet there are so great a variety of Copper Ores requiring very opposite treatment in their dressing, that I hope the subject will be sound greatly improved. The ...
... Copper Orc was first taken from the method: used in the Lead Mincs, yet there are so great a variety of Copper Ores requiring very opposite treatment in their dressing, that I hope the subject will be sound greatly improved. The ...
الصفحة
... Copper Ores will soon know how to manage in assaying Cobalt, by the mode presented to his view in this chapter. The last and grand object, is the manusactor of Tin and Copper Ores into their respective Metals 5 and l have set sorth, as ...
... Copper Ores will soon know how to manage in assaying Cobalt, by the mode presented to his view in this chapter. The last and grand object, is the manusactor of Tin and Copper Ores into their respective Metals 5 and l have set sorth, as ...
الصفحة
... Copper but lately discovered and how, viii. Tin Ote rich, yet expenfive to dress-Much flrill in hydraulicks and mechanieks required to work Copper Mincs, ix. Corolla -Reflexion, x. Great increase, annual amount and value a? Tin, x ...
... Copper but lately discovered and how, viii. Tin Ote rich, yet expenfive to dress-Much flrill in hydraulicks and mechanieks required to work Copper Mincs, ix. Corolla -Reflexion, x. Great increase, annual amount and value a? Tin, x ...
الصفحة
... Copper' Ore in: purest states, is Statafitical, Guttatim, and MachucadaFOF green and blue Copper Ores-Grey-Ore-Blaek Ore ought to be cautioufly dressed, 62. Peacock Cro-Yellow Copper Ores four sorts, 63. Thirty thousand tons 'raised ...
... Copper' Ore in: purest states, is Statafitical, Guttatim, and MachucadaFOF green and blue Copper Ores-Grey-Ore-Blaek Ore ought to be cautioufly dressed, 62. Peacock Cro-Yellow Copper Ores four sorts, 63. Thirty thousand tons 'raised ...
الصفحة
... Copper in it, 76. On the sormation of Fissures in general, 76. their variom uses in nature, 77. The opinions of Woodward and_Agricola controverted, 78. Of the caples or walls os the Fissure-On the roughness or smoothness of the walls os ...
... Copper in it, 76. On the sormation of Fissures in general, 76. their variom uses in nature, 77. The opinions of Woodward and_Agricola controverted, 78. Of the caples or walls os the Fissure-On the roughness or smoothness of the walls os ...
المحتوى
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The corpuſcular philoſophers accomlſtzfor it ſlang | 118 |
Of the Sumph or finiſ of the Mind which ſhould be in | 170 |
Inſtancesef the mortiferous effects oſ Damps 200 | 199 |
The various Manuductions uſed in dreſſing of Cozfer and Lead Ores and Sampling Copper Ores for S | 239 |
Drefliug of Lead Ore nearly the ſinne as Copper 243 | 245 |
and tracting 249 How to diſcover the contents of a Mineral | 253 |
elncidatedhMethodto try the firſt ſoortia ſhe Silverexplained | 259 |
of a ton oſ Copper Ore by the aſſay 264 26 5 266 To aſſay | 271 |
and repeated ſmeltings therein 274 Of the Metal calciner | 279 |
charging fluxing and tapping the ſurnaceSizing the ſcoria | 285 |
Of ſelling or barteririg black Tin for whitÞForm of a Tin bill | 292 |
BOOK | 214 |
Pitwor s and ſhimpings 223 Of the crop and rough Tin | 231 |
CHAP | 318 |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
Adit almoſt alſo anſwer Antimony becauſe bottom called caſe cauſe colour conſequence conſider conſiderable Copper Cornwall courſe Cryſtal depth deſcribed different diſcovered diſſolved diſtance dreſſing driſt earth eaſily eaſt effect eſpecially Eſq expence fathom feet fifty find fine fire firſt Fiſſures five fix Gold Goſſan graſs horſes houſe hundred inches inſtance Iron itſelf laſt leaſt leſs likewiſe Lode loſs meaſure Metals Mineral Mines Minos moſt Mundick muſt neceſſary obſerved off perſon pounds preſent proceſs purpoſe quantity raiſed reaſon Redruth reſpect riſe ſaid ſalt ſame ſay ſea ſee ſeems ſeen ſeldom ſeparate ſerve ſet ſeven ſeveral Shaft ſhall Shaſt ſhillings Shode ſhort ſhould ſide ſince ſink ſix ſmall ſolid ſome ſometimes ſoon ſor ſorts ſound ſouth ſquare ſtanding ſtate ſteam ſtone Stones ſtrata ſubject ſubſtance ſuch ſufficient ſunk ſuppoſe ſurſace themſelves theſe thoſe thouſand uſe uſually vein waſhed waſte weſt White Tin whoſe