Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... subject os so much national importance. The' want os such- affifiance, in the direction as the usesnl art os Mining, as it is hoped this treatise may afford, hat been long complained of. It cannot, however, be denied that A our our ...
... subject os so much national importance. The' want os such- affifiance, in the direction as the usesnl art os Mining, as it is hoped this treatise may afford, hat been long complained of. It cannot, however, be denied that A our our ...
الصفحة
... subject, I may Venture to pronounce, with all its Faults, a valuable acquifi'tion to the iihrnry of every nohieman and gentleman in these kingdoms. The great parts of this wi: are arranged in the following ordtr. The first book treats ...
... subject, I may Venture to pronounce, with all its Faults, a valuable acquifi'tion to the iihrnry of every nohieman and gentleman in these kingdoms. The great parts of this wi: are arranged in the following ordtr. The first book treats ...
الصفحة
... subject os it. - The second book treats of the theory and natural history os Strata, Flff'UPCI, and Lodes, with respect to their Formation, direction, inclination, interruption, elevation, and depreffion, The theory advanced in the ...
... subject os it. - The second book treats of the theory and natural history os Strata, Flff'UPCI, and Lodes, with respect to their Formation, direction, inclination, interruption, elevation, and depreffion, The theory advanced in the ...
الصفحة
... subject. The practical part os Shoding and _Strearning is sounded upon a belief os the Noachian deluge and its effects, which are incontestahly verified in Shode and Strcam Works. In the third chapter, the effectual 'working os a Mine ...
... subject. The practical part os Shoding and _Strearning is sounded upon a belief os the Noachian deluge and its effects, which are incontestahly verified in Shode and Strcam Works. In the third chapter, the effectual 'working os a Mine ...
الصفحة
... subjoined an ex lanation of those term: in alphabetical order, including the reliltion they bear to those os the Lead Mines and Collieries. a CONTENTS. INTR.ODUCTION. ETALS, of all mAtter least subject to viciflitude, Page P R E F A C E.
... subjoined an ex lanation of those term: in alphabetical order, including the reliltion they bear to those os the Lead Mines and Collieries. a CONTENTS. INTR.ODUCTION. ETALS, of all mAtter least subject to viciflitude, Page P R E F A C E.
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