Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... Tin, Copper, and Lead Orcs, and contains some brief remarks upon dressing Gold, Silver, &ac. Though the general manner os dressing Copper Orc was first taken from the method: used in the Lead Mincs, yet there are so great a variety of ...
... Tin, Copper, and Lead Orcs, and contains some brief remarks upon dressing Gold, Silver, &ac. Though the general manner os dressing Copper Orc was first taken from the method: used in the Lead Mincs, yet there are so great a variety of ...
الصفحة
... 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. Copper but lately discovered and how, viii. Tin ...
... 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. Copper but lately discovered and how, viii. Tin ...
الصفحة
... Tin, 52. diffalires in Aqua' Regia only, 52.- Gold leaf will plate to the three 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 ...
... Tin, 52. diffalires in Aqua' Regia only, 52.- Gold leaf will plate to the three 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 ...
الصفحة
... Tin and Copper Lodes ffl-Gostiin Lode's most common-described-a tender red, a tender brown, 85. A dry pale Gossan, a poor Tin Gossan, and a Kal or Kally GoffannKal very sermginom, 89. A Peach Lode, better for Tin than Copper; a Scovan ...
... Tin and Copper Lodes ffl-Gostiin Lode's most common-described-a tender red, a tender brown, 85. A dry pale Gossan, a poor Tin Gossan, and a Kal or Kally GoffannKal very sermginom, 89. A Peach Lode, better for Tin than Copper; a Scovan ...
الصفحة
... Tin in the Blowing-House or Blast-Furnace. H E effects of a deluge most apparent in Stream Tin worke, 131. Os taking the Set or Grant-Sinl<__ing the _ Hawk or'Shaft-Varioua hreadths, deprhs, and thicknefl'es os Sheath-Tin Strata, 132 ...
... Tin in the Blowing-House or Blast-Furnace. H E effects of a deluge most apparent in Stream Tin worke, 131. Os taking the Set or Grant-Sinl<__ing the _ Hawk or'Shaft-Varioua hreadths, deprhs, and thicknefl'es os Sheath-Tin Strata, 132 ...
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 |
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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