Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... Shode and Strcam Works. In the third chapter, the effectual 'working os a Mine is cxhihited in the sinking os Shasts, drivin Adits, digging and raising os Ores, drawing the water, and every other operation under-ground. This is intended ...
... Shode and Strcam Works. In the third chapter, the effectual 'working os a Mine is cxhihited in the sinking os Shasts, drivin Adits, digging and raising os Ores, drawing the water, and every other operation under-ground. This is intended ...
الصفحة
... Shode or Stream, ii. Lode works about seven hundred years standing -Of the antiquity of Tin, iii. Few Vestigia of Tin in ScillyIflands, iv. Author's opinion, that Tin was anciently exPorted from Falmouth harbour, sopported by Strabo ...
... Shode or Stream, ii. Lode works about seven hundred years standing -Of the antiquity of Tin, iii. Few Vestigia of Tin in ScillyIflands, iv. Author's opinion, that Tin was anciently exPorted from Falmouth harbour, sopported by Strabo ...
الصفحة
... Shode and Stream Tin, 66. Bal or Mine Tin-Of Tin Lodes and Tin-stuff, 68. Trials of its purity-Various uses-Pewter --Dying scarlet, 69. Tin the only trade in Great-Britain two thousand four hundred years ago-Little elsewhere-Of Molucca ...
... Shode and Stream Tin, 66. Bal or Mine Tin-Of Tin Lodes and Tin-stuff, 68. Trials of its purity-Various uses-Pewter --Dying scarlet, 69. Tin the only trade in Great-Britain two thousand four hundred years ago-Little elsewhere-Of Molucca ...
الصفحة
... Shode, 127. Alonzo Barba, on Shoding; Instructions sor traeing a Lode by' its Shodeu-Some Lodes yield no Shode; why-,- 128.- dees often-covered 'with a double or trehle shels als-he' effects-of the demonstrated by Shode upon the ...
... Shode, 127. Alonzo Barba, on Shoding; Instructions sor traeing a Lode by' its Shodeu-Some Lodes yield no Shode; why-,- 128.- dees often-covered 'with a double or trehle shels als-he' effects-of the demonstrated by Shode upon the ...
الصفحة ii
... shode and 'stream Tin, without considering the contents as a Mineral, which by its so erior gravity would afford some metalline subfiance; especial? ._. when by a comparison with the Mineral Oros of other Metals, known long before the ...
... shode and 'stream Tin, without considering the contents as a Mineral, which by its so erior gravity would afford some metalline subfiance; especial? ._. when by a comparison with the Mineral Oros of other Metals, known long before the ...
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