Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... sometimes warm, 12. Springs temporary or perennial 5 in the Miners idiom, U Top and bottom water," 13. The ooean the true origin os Perpetual springs, which 'de like a huge forcing engine, 13. conjectures] from a consideration of the ...
... sometimes warm, 12. Springs temporary or perennial 5 in the Miners idiom, U Top and bottom water," 13. The ooean the true origin os Perpetual springs, which 'de like a huge forcing engine, 13. conjectures] from a consideration of the ...
الصفحة 5
... sometimes even in small grains os Mplete- metalliek appearance. This Copper and rust on being [melted with a reducing flux, sometimes produce above three-fourths of their weight ure Metai. The-water gesnemlly used for this purpose is ...
... sometimes even in small grains os Mplete- metalliek appearance. This Copper and rust on being [melted with a reducing flux, sometimes produce above three-fourths of their weight ure Metai. The-water gesnemlly used for this purpose is ...
الصفحة 12
... sometimes find the Water full as warm as new milk in one part of the mine, while it is very cold in another ; nay, in several of these, particularly in Huel-Musick and Hucl-Rose, the writer has stood with one foot in the warm, and the ...
... sometimes find the Water full as warm as new milk in one part of the mine, while it is very cold in another ; nay, in several of these, particularly in Huel-Musick and Hucl-Rose, the writer has stood with one foot in the warm, and the ...
الصفحة 18
... sometimes breaks out in flames at the sursace; and sometiflms shooke and gives the earth a tremulous motion, without any 'visible fire, perhalas For Want os sufficient'matter to igoite. Bigg;qu yon-add twenty pounds of' Iulphur to ...
... sometimes breaks out in flames at the sursace; and sometiflms shooke and gives the earth a tremulous motion, without any 'visible fire, perhalas For Want os sufficient'matter to igoite. Bigg;qu yon-add twenty pounds of' Iulphur to ...
الصفحة 21
... sometimes sensihle of a capillary stream of salt Water, which they likewise prevented by the same means, whenever they perceived it. Now, a very large proportion of our Mine Water is temporary, and, as I have said before, is denominated ...
... sometimes sensihle of a capillary stream of salt Water, which they likewise prevented by the same means, whenever they perceived it. Now, a very large proportion of our Mine Water is temporary, and, as I have said before, is denominated ...
المحتوى
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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