Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... especially the former ', and givcs an improved idea os a science in discovering Minos very little understood out of Cornwall. The merit of the essay on the Virgula Divinatoria. is due to- Mr. William Cookworthy, osdPlymc-uth; and though ...
... especially the former ', and givcs an improved idea os a science in discovering Minos very little understood out of Cornwall. The merit of the essay on the Virgula Divinatoria. is due to- Mr. William Cookworthy, osdPlymc-uth; and though ...
الصفحة xi
... especially a' Mining for Copper, only commence-i with the present century ; the little which had been raised before, adventitious, and accident-e ally met with in pursuit s' Tin. Amor-ling to the folimving accounts, which are faithfully ...
... especially a' Mining for Copper, only commence-i with the present century ; the little which had been raised before, adventitious, and accident-e ally met with in pursuit s' Tin. Amor-ling to the folimving accounts, which are faithfully ...
الصفحة 7
... 'idehee HM fiifljfinalteriblfi Hffiff's' fd she Pa?'fefflon- gie-zed [iafflEtflH'Mcfflz id'lieffder maw-adds greae: service sfflice to mankind 3 the ipiierior- Metals, Iron especially', being. 'M-LE TLALS AND 'MINEIAIQ O.
... 'idehee HM fiifljfinalteriblfi Hffiff's' fd she Pa?'fefflon- gie-zed [iafflEtflH'Mcfflz id'lieffder maw-adds greae: service sfflice to mankind 3 the ipiierior- Metals, Iron especially', being. 'M-LE TLALS AND 'MINEIAIQ O.
الصفحة 8
William Pryce. sfflice to mankind 3 the ipiierior- Metals, Iron especially', being _of more general utilitzz than Gold,__Silver, and even precious Stones. If it be said, that the impurit'ies os the earth in our Mines, fig-the cause that ...
William Pryce. sfflice to mankind 3 the ipiierior- Metals, Iron especially', being _of more general utilitzz than Gold,__Silver, and even precious Stones. If it be said, that the impurit'ies os the earth in our Mines, fig-the cause that ...
الصفحة 12
... especially if the Lode or strata are of the Grouan or-Elvan kinds, and the Tin rich in quality and homogeneous. Our clean Pryan Tin Lodes likewise yield a. soft alkalescent Water, that, I am satisfied, would he of singular service to ...
... especially if the Lode or strata are of the Grouan or-Elvan kinds, and the Tin rich in quality and homogeneous. Our clean Pryan Tin Lodes likewise yield a. soft alkalescent Water, that, I am satisfied, would he of singular service to ...
المحتوى
i | |
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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