Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... seldom-pure, 57. Four sorts os Lead in'Cornwall, 57. when. discovered, of short continuanec, 58. Lead anciently knouffi-xas*'a*1fiaple ofsiEngland1 58. Silver seldomss found in Britain out of Leade the Silver Mines in- Europe-Of the ...
... seldom-pure, 57. Four sorts os Lead in'Cornwall, 57. when. discovered, of short continuanec, 58. Lead anciently knouffi-xas*'a*1fiaple ofsiEngland1 58. Silver seldomss found in Britain out of Leade the Silver Mines in- Europe-Of the ...
الصفحة
... seldom met-with ; Why-ÞWMoorstone and Ireficone Shodes very large and numerous, 126. Of the Greut, sGrir) run and cast oF the countrYeHoW to proceed by the. appearances and fituarions of Shode, 127. Alonzo Barba, on Shoding ...
... seldom met-with ; Why-ÞWMoorstone and Ireficone Shodes very large and numerous, 126. Of the Greut, sGrir) run and cast oF the countrYeHoW to proceed by the. appearances and fituarions of Shode, 127. Alonzo Barba, on Shoding ...
الصفحة viii
... seldom that Tin continues rich and worth the working, beyond fifty sathorns' deep; and it is absolutely certain, that Copper is not often wrought in great abundance, till as't that depth, to an hundred sathoms or more. It is also a ihct ...
... seldom that Tin continues rich and worth the working, beyond fifty sathorns' deep; and it is absolutely certain, that Copper is not often wrought in great abundance, till as't that depth, to an hundred sathoms or more. It is also a ihct ...
الصفحة 39
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المحتوى
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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 |
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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