Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... I have already obtained to fix my opiniort os its virtues. At least, the memoir is curious, and the subject deserves to be Furthcr enquired into. In the method-of Shoding, I have been more full than any preceding writer 3 I have PREFA-C'EP.
... I have already obtained to fix my opiniort os its virtues. At least, the memoir is curious, and the subject deserves to be Furthcr enquired into. In the method-of Shoding, I have been more full than any preceding writer 3 I have PREFA-C'EP.
الصفحة
... fix sorts-The pale blue Killas most liltel)r For Lodes os rich and lasting qualities-Elvan, two serts, 74.. Moorstone or Granite-its composition-Five sorts of Moorstone, 7 5. Irestone, the hardest of all Strata, rich Lodes of Copper in ...
... fix sorts-The pale blue Killas most liltel)r For Lodes os rich and lasting qualities-Elvan, two serts, 74.. Moorstone or Granite-its composition-Five sorts of Moorstone, 7 5. Irestone, the hardest of all Strata, rich Lodes of Copper in ...
الصفحة ii
... fix hundred years. before the coming of out Saviour -, and that their navigation- to it, Was for the salte oF oin- Tin. They' considered this traffick as a point of such consequence, that they erected sorts and castles on out coafls for ...
... fix hundred years. before the coming of out Saviour -, and that their navigation- to it, Was for the salte oF oin- Tin. They' considered this traffick as a point of such consequence, that they erected sorts and castles on out coafls for ...
الصفحة ix
... fix parts in eight of all the Copper Ore of the county at this'tirnc. Tin in its metallick state, being to Copper but as sixty to a hundred, is notwithstanding more rich in' its mincrallick Ore than Copper, as it comes from the Mine ...
... fix parts in eight of all the Copper Ore of the county at this'tirnc. Tin in its metallick state, being to Copper but as sixty to a hundred, is notwithstanding more rich in' its mincrallick Ore than Copper, as it comes from the Mine ...
الصفحة xi
... fix the last thirty years, is scarcel credible: it is, howevar, a fact, that we have tained three t 'ousand fix hundred tom 'of BladeTin in one year; and, for the last twenty years, the rit-nual avenge has been about three thousand tom ...
... fix the last thirty years, is scarcel credible: it is, howevar, a fact, that we have tained three t 'ousand fix hundred tom 'of BladeTin in one year; and, for the last twenty years, the rit-nual avenge has been about three thousand tom ...
المحتوى
i | |
x | |
1 | |
5 | |
22 | |
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