Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... 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, Diodorus Siculus, Cornish M. S. v, vi, vii ...
... 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, Diodorus Siculus, Cornish M. S. v, vi, vii ...
الصفحة
... hundred and sixty thousandth part of an inch thick-[t never deca s, &e. 53. Platina, a Metal lately discovered, nearest Gold in fivxedness and soliditjr, but not so dilctile ;' differs from all other Metals, 54., 55. Wickfilver, often ...
... hundred and sixty thousandth part of an inch thick-[t never deca s, &e. 53. Platina, a Metal lately discovered, nearest Gold in fivxedness and soliditjr, but not so dilctile ;' differs from all other Metals, 54., 55. Wickfilver, often ...
الصفحة ii
... hundred years. before the coming of out Saviour -, and that their navigation- to it, Was for the salte oF oin- Tin. They' considered this traffick as a point of such consequence, that they erected sorts and castles on out coafls for the ...
... hundred years. before the coming of out Saviour -, and that their navigation- to it, Was for the salte oF oin- Tin. They' considered this traffick as a point of such consequence, that they erected sorts and castles on out coafls for the ...
الصفحة viii
... hundred sathoms or more. It is also a ihct, that molt Mines with us, both of Tin and Copper, being richer in qliality near the sursace, and by thatsscircurnstance attended with less expence in the working, do for the most part reward ...
... hundred sathoms or more. It is also a ihct, that molt Mines with us, both of Tin and Copper, being richer in qliality near the sursace, and by thatsscircurnstance attended with less expence in the working, do for the most part reward ...
الصفحة ix
... hundred, is notwithstanding more rich in' its mincrallick Ore than Copper, as it comes from the Mine ; therefore. they require different management in the dressing, and cleansing them for the furnace. The former from the smallness-of ...
... hundred, is notwithstanding more rich in' its mincrallick Ore than Copper, as it comes from the Mine ; therefore. they require different management in the dressing, and cleansing them for the furnace. The former from the smallness-of ...
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 |
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