Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... those os Cornwall only; and as they OCC'Lll' in the course of my Work, have described each in its incidental place. My readers will easily perceive, 'that is I had systematically observed those rules os genera, class, and order, laid ...
... those os Cornwall only; and as they OCC'Lll' in the course of my Work, have described each in its incidental place. My readers will easily perceive, 'that is I had systematically observed those rules os genera, class, and order, laid ...
الصفحة
... 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 regulc way, are both insai ible, is the operator will be attentive to his business ...
... 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 regulc way, are both insai ible, is the operator will be attentive to his business ...
الصفحة
... those os affinity, 72. ear'plained and accounted sor, 73. Soft Grouan Stratum encloses, Tin Lodes, 73. SlatevKillas, fix sorts-The pale blue Killas most liltel)r For Lodes os rich and lasting qualities-Elvan, two serts, 74.. Moorstone ...
... those os affinity, 72. ear'plained and accounted sor, 73. Soft Grouan Stratum encloses, Tin Lodes, 73. SlatevKillas, fix sorts-The pale blue Killas most liltel)r For Lodes os rich and lasting qualities-Elvan, two serts, 74.. Moorstone ...
الصفحة ii
... Those fro ments and nodules, by their-colour, shape, and ravity, must Eave attract-ed the notice and eonflderuion- of the first natives, if they did not allure the Man of those immediate emigrants who were " scattered " over the face of ...
... Those fro ments and nodules, by their-colour, shape, and ravity, must Eave attract-ed the notice and eonflderuion- of the first natives, if they did not allure the Man of those immediate emigrants who were " scattered " over the face of ...
الصفحة iv
... those days, the Metal was produced from stream or shode stones only, are must undoubtedly have discovered, in latter times, those Lodes or veins from whence they were dismembered by the deluge. They must have been wroucpht for Tin since ...
... those days, the Metal was produced from stream or shode stones only, are must undoubtedly have discovered, in latter times, those Lodes or veins from whence they were dismembered by the deluge. They must have been wroucpht for Tin since ...
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