Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... 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 bein endless to enter ...
... 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 bein endless to enter ...
الصفحة
... raising os Ores, drawing the water, and every other operation under-ground. This is intended to explain the several parts os a Mine, and their dependcncy on each other; and to evince that such contingencies must be in all Mines ...
... raising os Ores, drawing the water, and every other operation under-ground. This is intended to explain the several parts os a Mine, and their dependcncy on each other; and to evince that such contingencies must be in all Mines ...
الصفحة
... raised anno 177O_Cornish Copper Ores the source of great employ, 64.. Iron, the product of most countries-Sundry sorts of Iron One-"Cast Iron-Steel, 6 5. Iron in all bodies-Most useful Metal to human life, 67. Tin -e-Tin Ore called Tin ...
... raised anno 177O_Cornish Copper Ores the source of great employ, 64.. Iron, the product of most countries-Sundry sorts of Iron One-"Cast Iron-Steel, 6 5. Iron in all bodies-Most useful Metal to human life, 67. Tin -e-Tin Ore called Tin ...
الصفحة
... raising of Ores, drawing the Water, and working the-lines.F Rounds and the cutting as them, 137.- Their antiquity-Charter, 33d Edward I, anno I 30 S-Aidtatidni from ancient MSS. 138, 139. Of the Tollur and renewing os Boundþ-The Lord ...
... raising of Ores, drawing the Water, and working the-lines.F Rounds and the cutting as them, 137.- Their antiquity-Charter, 33d Edward I, anno I 30 S-Aidtatidni from ancient MSS. 138, 139. Of the Tollur and renewing os Boundþ-The Lord ...
الصفحة
... raised, anddreffedHshl-fizpencgzin 'the pound sterling-Tin? For nearly the__saln1_e-_r-_Ga-lculatiÞn-fqu_'teking a_Tin or_,Copper PitchJupon Trshutca 7921. L93'. 7I94-* =-,c.-F_-.-'H, A P. V. Of Damfi£-_L.-Mincs_; zanjd, of Levelling ...
... raised, anddreffedHshl-fizpencgzin 'the pound sterling-Tin? For nearly the__saln1_e-_r-_Ga-lculatiÞn-fqu_'teking a_Tin or_,Copper PitchJupon Trshutca 7921. L93'. 7I94-* =-,c.-F_-.-'H, A P. V. Of Damfi£-_L.-Mincs_; zanjd, of Levelling ...
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