Mineralogia CornubiensisРипол Классик, 1778 - 331 من الصفحات |
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الصفحة
... observation which Commerce and agriculture so deserved] attract: yet it is a matter of astonishment, that an object of! the first national consequence, in point os time, should so long remain, even to the present hour, a secret limitcd ...
... observation which Commerce and agriculture so deserved] attract: yet it is a matter of astonishment, that an object of! the first national consequence, in point os time, should so long remain, even to the present hour, a secret limitcd ...
الصفحة
... observed those rules os genera, class, and order, laid down by Hill', Do Costa, Cronstedt, and others, l should have spun out my treatise-in a needless detail of matters foreign to the prolesse-i subject os it. - The second book treats ...
... observed those rules os genera, class, and order, laid down by Hill', Do Costa, Cronstedt, and others, l should have spun out my treatise-in a needless detail of matters foreign to the prolesse-i subject os it. - The second book treats ...
الصفحة
... observations, 116. Of the occult quality in the Operator-Hazle shoots OF one year, best, 117. Shape and fize-manner os holding the rod-the mind must be indifferent, or the rod will not answer, 118. SWeatand animal excretions hinder its ...
... observations, 116. Of the occult quality in the Operator-Hazle shoots OF one year, best, 117. Shape and fize-manner os holding the rod-the mind must be indifferent, or the rod will not answer, 118. SWeatand animal excretions hinder its ...
الصفحة
... oylh'ou'se-GF Mr,dangerdnfi- 1-67, 168; OF'F'ofi-tihgthE'LWatek, Add-altering' the oldMine, 169. Explanation of'the-Wliingids When-Garden' Minefl 170., 171, 172. **' C'HAP. C H- A '_P. lVa General Observations on' Min'es. and CONT'ENTD.
... oylh'ou'se-GF Mr,dangerdnfi- 1-67, 168; OF'F'ofi-tihgthE'LWatek, Add-altering' the oldMine, 169. Explanation of'the-Wliingids When-Garden' Minefl 170., 171, 172. **' C'HAP. C H- A '_P. lVa General Observations on' Min'es. and CONT'ENTD.
الصفحة
... Observations, 176. Proposuls for a_ county hospital, 177. Of working the Lode by double pink-men, 178. Relieving the place+Winding the work, 179. 'finking- drivin , and' &opeing by the fathom ; iklustrated by examples; 1 80. O the ...
... Observations, 176. Proposuls for a_ county hospital, 177. Of working the Lode by double pink-men, 178. Relieving the place+Winding the work, 179. 'finking- drivin , and' &opeing by the fathom ; iklustrated by examples; 1 80. O 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