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
... manner of dreffing Copper Ore was first taken from the methods used in the Lead Mines , yet there are so great a variety of Copper Ores requiring very oppofite treatment in their drefling , that I hope the fubject will be found greatly ...
... manner of dreffing Copper Ore was first taken from the methods used in the Lead Mines , yet there are so great a variety of Copper Ores requiring very oppofite treatment in their drefling , that I hope the fubject will be found greatly ...
الصفحة
... year , beft , 117. Shape and fize - manner of holding the rod - the mind must be indifferent , or the rod will not anfwer , 118 . Sweat and animal excretions hinder its operation - Of willow rods , rods , & c . - The rod will not CONTENTS .
... year , beft , 117. Shape and fize - manner of holding the rod - the mind must be indifferent , or the rod will not anfwer , 118 . Sweat and animal excretions hinder its operation - Of willow rods , rods , & c . - The rod will not CONTENTS .
الصفحة
... Dillueing , 135 . Of Blowing , or Smelting the Tin - Of the caftle or furnace- the wheel , bellows , float , & c . - Excellence and value of Grain Tin , 136 , 137 . С НА Р. CHA P. III . Of Bounds , and the Manner CONTENTS .
... Dillueing , 135 . Of Blowing , or Smelting the Tin - Of the caftle or furnace- the wheel , bellows , float , & c . - Excellence and value of Grain Tin , 136 , 137 . С НА Р. CHA P. III . Of Bounds , and the Manner CONTENTS .
الصفحة
... Manner of taking a Set or Grant for Mining ; of finking Shafts , driving Adits , digging and raising of Ores , drawing the Water , and working the Mines . O F Bounds and the cutting of them , 137. Their anti- quity - Charter , 33d ...
... Manner of taking a Set or Grant for Mining ; of finking Shafts , driving Adits , digging and raising of Ores , drawing the Water , and working the Mines . O F Bounds and the cutting of them , 137. Their anti- quity - Charter , 33d ...
الصفحة
... Manner of Dreffing the Leavings , Loobs , & c . F Spalling and dividing the Tin - stuff , and taking the and its value , 216 , 217. Of Tin in the Bal , 218. Of ftamp- ing the Tin - stuff and fizing of it , and the ancient way of ...
... Manner of Dreffing the Leavings , Loobs , & c . F Spalling and dividing the Tin - stuff , and taking the and its value , 216 , 217. Of Tin in the Bal , 218. Of ftamp- ing the Tin - stuff and fizing of it , and the ancient way of ...
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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