Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... depth os a Fissure, unlimited, 79. The direction of Tin and Copper Lodes in Cornwall always east and west, 80.Their deflexion, inclination, or underlie, north or south, '80. Of horizontal Lodes or Fiffures, called Flat-Lodes- 'or Lode ...
... depth os a Fissure, unlimited, 79. The direction of Tin and Copper Lodes in Cornwall always east and west, 80.Their deflexion, inclination, or underlie, north or south, '80. Of horizontal Lodes or Fiffures, called Flat-Lodes- 'or Lode ...
الصفحة
... depth+Why Lodes in geneml are not rich near the surface, 87. Twelve general different kinds of Tin and Copper Lodes ffl-Gostiin Lode's most common-described-a tender red, a tender brown, 85. A dry pale Gossan, a poor Tin Gossan, and a ...
... depth+Why Lodes in geneml are not rich near the surface, 87. Twelve general different kinds of Tin and Copper Lodes ffl-Gostiin Lode's most common-described-a tender red, a tender brown, 85. A dry pale Gossan, a poor Tin Gossan, and a ...
الصفحة
... depth, water sound by the rodu-Þlnstances of Lodes found by it, 1 23: Of Costeaning and ShodingL-UShode' Stones separated by the deluge, 124.. Description os 'the Bryie 'of the Lode-Shodes dispersed From the Biylo-wi-Thei_fituation ...
... depth, water sound by the rodu-Þlnstances of Lodes found by it, 1 23: Of Costeaning and ShodingL-UShode' Stones separated by the deluge, 124.. Description os 'the Bryie 'of the Lode-Shodes dispersed From the Biylo-wi-Thei_fituation ...
الصفحة viii
... depth, to an hundred sathoms or more. It is also a ihct, that molt Mines with us, both of Tin and Copper, being richer in qliality near the sursace, and by thatsscircurnstance attended with less expence in the working, do for the most ...
... depth, to an hundred sathoms or more. It is also a ihct, that molt Mines with us, both of Tin and Copper, being richer in qliality near the sursace, and by thatsscircurnstance attended with less expence in the working, do for the most ...
الصفحة 9
... depth, with eight thousand pounds charge upon her, and still within forty fathoms of a gulph of Copper Ore in the fame Lode. This hypothesis, which is formed on my own observation and judgment of Metals, may not be relished by those ...
... depth, with eight thousand pounds charge upon her, and still within forty fathoms of a gulph of Copper Ore in the fame Lode. This hypothesis, which is formed on my own observation and judgment of Metals, may not be relished by those ...
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