Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
من داخل الكتاب
النتائج 1-5 من 85
الصفحة
... some matters indispensably connected with that art. The last chapter of this book treats of Darn s, Dialling, and Levelling, with practical instances and remarlis, supported by experience, and altogether necessary. The fourth book ...
... some matters indispensably connected with that art. The last chapter of this book treats of Darn s, Dialling, and Levelling, with practical instances and remarlis, supported by experience, and altogether necessary. The fourth book ...
الصفحة vii
... some little variation, it retains no this day, and proves the antiquity, localitjssll and superiority of our product. and its univeflal sopply for the use of mankind. Such an abundance of Copper Ore, which the Minee produce at this time ...
... some little variation, it retains no this day, and proves the antiquity, localitjssll and superiority of our product. and its univeflal sopply for the use of mankind. Such an abundance of Copper Ore, which the Minee produce at this time ...
الصفحة x
... some kinds of trade and business, what is the profit inone man's hand, is frequently so much loss to some other indiVidual, from whom it is either immediately or laterally derived. It is an axiorn in trade, that " One man's loss is ...
... some kinds of trade and business, what is the profit inone man's hand, is frequently so much loss to some other indiVidual, from whom it is either immediately or laterally derived. It is an axiorn in trade, that " One man's loss is ...
الصفحة xii
... some cause which we cannot perfectly account For at this time) the intrinsrck value os our hard gotten commodities, has decreased in some ratio to the advance in quantity, which ought to be a matter os Very serious enquiry with all the ...
... some cause which we cannot perfectly account For at this time) the intrinsrck value os our hard gotten commodities, has decreased in some ratio to the advance in quantity, which ought to be a matter os Very serious enquiry with all the ...
الصفحة 5
... some years, lose much of their Metal: and also, that those Mines which abound'w'itli a rich mature Copper Ore, do, near the surface, at least immediately over the bod os the Ore, commonly contain a rust, lit-cture, or spurne o Copper ...
... some years, lose much of their Metal: and also, that those Mines which abound'w'itli a rich mature Copper Ore, do, near the surface, at least immediately over the bod os the Ore, commonly contain a rust, lit-cture, or spurne o Copper ...
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