Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... niduses the other. 'The theory here given; is, in 'some instances, established in the process of precipitalion. The third chapter, which treat' of the substance-s of Minerals, Metais, and and "Salts, is' dey and tedious z but as it PREFAdE.
... niduses the other. 'The theory here given; is, in 'some instances, established in the process of precipitalion. The third chapter, which treat' of the substance-s of Minerals, Metais, and and "Salts, is' dey and tedious z but as it PREFAdE.
الصفحة
... process for 'ligging and raising of Ores, and the machiner For drawing water. Though in this part the reader may nd a fond of information that he has never seen opened before ; yet it can 'be considered only as a sum'mary os Mining, it ...
... process for 'ligging and raising of Ores, and the machiner For drawing water. Though in this part the reader may nd a fond of information that he has never seen opened before ; yet it can 'be considered only as a sum'mary os Mining, it ...
الصفحة
... processes the curious may judsge how sar the Mundicks of one place are superior to those o another for the precious Metals, or whether they contain any Silver or Gold. The processes sor affaying Cop er Ores by calcination, and by the ...
... processes the curious may judsge how sar the Mundicks of one place are superior to those o another for the precious Metals, or whether they contain any Silver or Gold. The processes sor affaying Cop er Ores by calcination, and by the ...
الصفحة
... process for making it, 33, 34.. Ashestos, or earth flux, in Comwall, 34.. Arsenicks earl-sly made From Mundick, 34.. Mundick to be usizd for preserving ships bottom: 'from Worms, 35. Some Miners in Cornwal] employed at sea in the ...
... process for making it, 33, 34.. Ashestos, or earth flux, in Comwall, 34.. Arsenicks earl-sly made From Mundick, 34.. Mundick to be usizd for preserving ships bottom: 'from Worms, 35. Some Miners in Cornwal] employed at sea in the ...
الصفحة
... process elncidatedh-Methodto try the first' soortia she Silver-explained, 259. The faine- process applicable no Copper. or other Metal, 26o. How, to assay-Copper-Ore-Of calcining- the Ore, afio. Of- scorifiiing, afih That operation ...
... process elncidatedh-Methodto try the first' soortia she Silver-explained, 259. The faine- process applicable no Copper. or other Metal, 26o. How, to assay-Copper-Ore-Of calcining- the Ore, afio. Of- scorifiiing, afih That operation ...
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