Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة i
... suppose from the nature of particular things, which are solid and durable, that the conflituent principles of Minerals and Metals, although subject'to a degree os fluctuation common to the mundane system, have undergone the least ...
... suppose from the nature of particular things, which are solid and durable, that the conflituent principles of Minerals and Metals, although subject'to a degree os fluctuation common to the mundane system, have undergone the least ...
الصفحة ii
... suppose that the first inhabitanm-of- Cornwall and Devon, after the flood, Were Well acquainted with Tin in its richest Mineral state; for it requires no uncommon degree os intellectnal examination to compoahmd, that, in the earliefl ...
... suppose that the first inhabitanm-of- Cornwall and Devon, after the flood, Were Well acquainted with Tin in its richest Mineral state; for it requires no uncommon degree os intellectnal examination to compoahmd, that, in the earliefl ...
الصفحة xii
... suppose the profit os the great Mines to be sunk in the unfortunate adventures, and like national lotteries, the individual profit to be taken out. os the general loss. It is indubitable, however, that the publick is manisestly entiched ...
... suppose the profit os the great Mines to be sunk in the unfortunate adventures, and like national lotteries, the individual profit to be taken out. os the general loss. It is indubitable, however, that the publick is manisestly entiched ...
الصفحة 8
... suppose, that Mines which are very rich at one given time and place, may in several centuries after be impoverished- in that place; and other parts of those Mines, which were then barren, may be now plentifully' flored 'with Metal ...
... suppose, that Mines which are very rich at one given time and place, may in several centuries after be impoverished- in that place; and other parts of those Mines, which were then barren, may be now plentifully' flored 'with Metal ...
الصفحة 9
... suppose Metals to continue always in the same state. But though I am not fond of singularity, i cannot help dissenting from the common traditions, fer the reasons I have given', which, I hope, are so plain and natural, as to satisz the ...
... suppose Metals to continue always in the same state. But though I am not fond of singularity, i cannot help dissenting from the common traditions, fer the reasons I have given', which, I hope, are so plain and natural, as to satisz the ...
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