Mineralogia Cornubiensis: A Treatise on Minerals, Mines, and Mining: Containing the Theory and Natural History of Strata, Fissures, and Lodes, with the Methods of Discovering and Working of Tin, Copper, and Lead Mines, and of Cleansing and Metalizing Their Products; Shewing Each Particular Process for Dressing, Assaying and Smelting of Ores. To which is Added, an Explanation of the Terms and Idioms of MinersD. Bradford Barton Limited, 1778 - 331 من الصفحات |
من داخل الكتاب
النتائج 1-5 من 98
الصفحة
... bottom water , ' 13. The ocean the true origin of perpetual fprings , which acts like a huge forcing engine , 13 ... bottoms of a deep Mine , by an eaft wind , a mistake , 16. The true caufe , 17. Earthquakes from three causes probably ...
... bottom water , ' 13. The ocean the true origin of perpetual fprings , which acts like a huge forcing engine , 13 ... bottoms of a deep Mine , by an eaft wind , a mistake , 16. The true caufe , 17. Earthquakes from three causes probably ...
الصفحة
... bottoms from worms , 35 . Some Miners in Cornwall employed at sea in the fisheries , or under - ground , 35. No payment , however poisonous , will prevent the Teredo - worm from boring fhips bottoms , 36. The author's preparation highly ...
... bottoms from worms , 35 . Some Miners in Cornwall employed at sea in the fisheries , or under - ground , 35. No payment , however poisonous , will prevent the Teredo - worm from boring fhips bottoms , 36. The author's preparation highly ...
الصفحة
... bottom of the fea - Its defcription , 84. That fome parts of the prefent dry land were the bottom of the fea is the opinion of fundry naturalifts - The highest mountain in perpen- dicular height less than one - fix - thousandth part of ...
... bottom of the fea - Its defcription , 84. That fome parts of the prefent dry land were the bottom of the fea is the opinion of fundry naturalifts - The highest mountain in perpen- dicular height less than one - fix - thousandth part of ...
الصفحة 5
... bottom of the veffel , in form of ruft , and sometimes even in small grains of a complete metallick appearance . This Copper and ruft on being smelted with a reducing flux , fometimes produce above three - fourths of their weight pure ...
... bottom of the veffel , in form of ruft , and sometimes even in small grains of a complete metallick appearance . This Copper and ruft on being smelted with a reducing flux , fometimes produce above three - fourths of their weight pure ...
الصفحة 13
... Imagine then , with what inexpreffible force the water from such a preffure , must be protruded through those cavities , ducts , and E hollow hollow paffages , from the bottom of the sea , OF METALS , MINERALS , & c . 13.
... Imagine then , with what inexpreffible force the water from such a preffure , must be protruded through those cavities , ducts , and E hollow hollow paffages , from the bottom of the sea , OF METALS , MINERALS , & c . 13.
المحتوى
i | |
ii | |
iii | |
viii | |
1 | |
3 | |
9 | |
16 | |
124 | |
130 | |
136 | |
137 | |
144 | |
166 | |
173 | |
179 | |
21 | |
23 | |
29 | |
33 | |
35 | |
43 | |
44 | |
51 | |
57 | |
63 | |
71 | |
72 | |
80 | |
87 | |
97 | |
100 | |
106 | |
192 | |
201 | |
204 | |
213 | |
215 | |
222 | |
231 | |
238 | |
247 | |
253 | |
259 | |
271 | |
279 | |
286 | |
288 | |
292 | |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
Adit adventurers affay alfo almoſt alſo anſwer Antimony Aqua Fortis becauſe beſt black Tin bottom buddle cafe calcination called caufe cauſe colour confequence confiderable Copper Cornwall courſe Cryſtal depth diffolved diſcovered diſcovery diſtance dreffing earth eaſily expence facks faid falts fame fathoms feet feldom feparated feven feveral fhall fhillings fhould fhovel fide Fiffures fink fire firft firſt fituation fize fmall folid fome fometimes foon fouth fteam ftrata ftratum fubject fuch fufficient funk fuppofe furface Goffan Gold ground hundred inches inftance Iron itſelf laft lefs leſs likewife Lode meaſure Metal metallick Mineral Mines moft moſt muft Mundick muſt neceffary obferved occafion particles perfons petrifactive pounds prefent purpoſe quantity raiſed reaſon Redruth refpect rich Semi-metals ſeparate Shaft ſhall Shode Silver ſmall ſome ſtate Stones thefe themſelves theſe thofe thoſe thouſand Tin-ftuff Tinners tons underlie uſed vein waſhed weft white Tin Whym