Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... 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 Mines are mostly well conductedz yet no small advantages ...
... 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 Mines are mostly well conductedz yet no small advantages ...
الصفحة
... such contingencies must be in all Mines, although varied in their situations according to the different circumstances os different Minos. To this is added, a arallcl scction os the greatest Mine now at Work in Cornwall, to illustrate ...
... such contingencies must be in all Mines, although varied in their situations according to the different circumstances os different Minos. To this is added, a arallcl scction os the greatest Mine now at Work in Cornwall, to illustrate ...
الصفحة ii
... such consequence, that they erected sorts and castles on out coafls for the protection and preservation os their commence; and a great number of the proper names of men. and place: in Comwall, are plainly derived from the Syrian tongue ...
... such consequence, that they erected sorts and castles on out coafls for the protection and preservation os their commence; and a great number of the proper names of men. and place: in Comwall, are plainly derived from the Syrian tongue ...
الصفحة iv
... such Lo es would now-'be visible on the sea coast or cliffs, if many such had ever been: we are, therefore, strongly induced to believe, that the Mineral Ore of Tin was anciently procured within the four western hundrcds of' Gornwall ...
... such Lo es would now-'be visible on the sea coast or cliffs, if many such had ever been: we are, therefore, strongly induced to believe, that the Mineral Ore of Tin was anciently procured within the four western hundrcds of' Gornwall ...
الصفحة v
... such Ike seems yet preserved in the present names of Car-ike read, the chief part of Falmouth harbour, from whence, to this day, the major art_of our Tin ii; still &xported 5 and Arwynike, and Bud-ike ends, by which c ' * the the said ...
... such Ike seems yet preserved in the present names of Car-ike read, the chief part of Falmouth harbour, from whence, to this day, the major art_of our Tin ii; still &xported 5 and Arwynike, and Bud-ike ends, by which c ' * the the said ...
المحتوى
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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