Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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النتائج 1-5 من 79
الصفحة
... quantity each year, price on? ton, ever-age, and. amount in sterling value. BOOK I. C H A P. I. The Origin and Formation OF Metals and Minerals. MPERVIOUS causes os Metals, &te. speculative, Page 1. The wisdom of the creation both above ...
... quantity each year, price on? ton, ever-age, and. amount in sterling value. BOOK I. C H A P. I. The Origin and Formation OF Metals and Minerals. MPERVIOUS causes os Metals, &te. speculative, Page 1. The wisdom of the creation both above ...
الصفحة
... quantity, by preciitations from solutions in ua fortis, 256. Of proof aqua _t_ia, 257. Hmv-waffiy-Zginsfor Gold, 238. This process elncidatedh-Methodto try the first' soortia she Silver-explained, 259. The faine- process applicable no ...
... quantity, by preciitations from solutions in ua fortis, 256. Of proof aqua _t_ia, 257. Hmv-waffiy-Zginsfor Gold, 238. This process elncidatedh-Methodto try the first' soortia she Silver-explained, 259. The faine- process applicable no ...
الصفحة vii
... quantity, quality, and employnaent. Former times. might haw: been eqnally celebrated for out production of this Meed With that of Tin, had its proximity to the surface been so great: but this rich and ufeful Metal is placed by divine ...
... quantity, quality, and employnaent. Former times. might haw: been eqnally celebrated for out production of this Meed With that of Tin, had its proximity to the surface been so great: but this rich and ufeful Metal is placed by divine ...
الصفحة ix
... quantity, certainty, and steadinest, make complete and substantial amends for the great labour, and persevering affiduity of their proprietors. In support os which I may venture to affirm, that six Mines produce fix parts in eight of ...
... quantity, certainty, and steadinest, make complete and substantial amends for the great labour, and persevering affiduity of their proprietors. In support os which I may venture to affirm, that six Mines produce fix parts in eight of ...
الصفحة x
... quantities, without the help of foreign auxiliaries, such as coal, and very large timber particularly. The Mining interest of Cornwall, therefore, cleserves great attention from the government, the nobility 'and gentry of the united ...
... quantities, without the help of foreign auxiliaries, such as coal, and very large timber particularly. The Mining interest of Cornwall, therefore, cleserves great attention from the government, the nobility 'and gentry of the united ...
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 |
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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