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 |
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الصفحة
... Engine , & c . 160 The Table calculating the Power of Fire - Engines to follow the Plate . IV . Section of Bullen - Garden V. The Stamping - Mill , & c . VI . Furnaces for Affaying , Smelting , & c . VII . A Map and Plan of North ...
... Engine , & c . 160 The Table calculating the Power of Fire - Engines to follow the Plate . IV . Section of Bullen - Garden V. The Stamping - Mill , & c . VI . Furnaces for Affaying , Smelting , & c . VII . A Map and Plan of North ...
الصفحة
... engine by Mr. Watt ; an invention of more confequence to the Mining intereft of Great - Britain , than any discovery that has been made for half a century ; and I hope to fee its univerfal use established in a very short time . As the ...
... engine by Mr. Watt ; an invention of more confequence to the Mining intereft of Great - Britain , than any discovery that has been made for half a century ; and I hope to fee its univerfal use established in a very short time . As the ...
الصفحة
... engine , 13. conjectured from a confideration of the Cafpian fea , 14. Rivers not always derived from the particular fea into which they return - Inftances foreign and domestick , 15 . low Mines affected by top water only , deep Mines ...
... engine , 13. conjectured from a confideration of the Cafpian fea , 14. Rivers not always derived from the particular fea into which they return - Inftances foreign and domestick , 15 . low Mines affected by top water only , deep Mines ...
الصفحة
... engine , 151 . Cornish streams of water very small , but of great value , and made the most of , 152. Of the fire engine- Weight of a given small column of water - Neither men nor horfes could draw it , 153. Defcription of the fire engine ...
... engine , 151 . Cornish streams of water very small , but of great value , and made the most of , 152. Of the fire engine- Weight of a given small column of water - Neither men nor horfes could draw it , 153. Defcription of the fire engine ...
الصفحة xiv
... engines now working , would ever have been erected without fuch encouragement . Thirty - fix years ago , this county had only one fire engine in it : fince which time above three score have been erected , and more than half of them have ...
... engines now working , would ever have been erected without fuch encouragement . Thirty - fix years ago , this county had only one fire engine in it : fince which time above three score have been erected , and more than half of them have ...
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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