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 18
... breaks out in flames at the furface ; and fome- times fhocks and gives the earth a tremulous motion , without any vifible fire , perhaps for want of fufficient matter to ignite . For , if you add twenty pounds of fulphur to twenty of ...
... breaks out in flames at the furface ; and fome- times fhocks and gives the earth a tremulous motion , without any vifible fire , perhaps for want of fufficient matter to ignite . For , if you add twenty pounds of fulphur to twenty of ...
الصفحة 21
... break , flux , ebb , and reflux of every wave , which , upon the beach overhead , may be faid to have had the run of the Atlantick - ocean for many hundred leagues ; and , confequently , are amazingly powerful and boisterous . They alfo ...
... break , flux , ebb , and reflux of every wave , which , upon the beach overhead , may be faid to have had the run of the Atlantick - ocean for many hundred leagues ; and , confequently , are amazingly powerful and boisterous . They alfo ...
الصفحة 29
... breaks irregularly , yields fire plentifully , is very hard to the graver , and will not ferment with Aqua Fortis . It will fometimes form itself in hexagonal opaque columns , cufpides , and pyramids , of an un- common large fize , but ...
... breaks irregularly , yields fire plentifully , is very hard to the graver , and will not ferment with Aqua Fortis . It will fometimes form itself in hexagonal opaque columns , cufpides , and pyramids , of an un- common large fize , but ...
الصفحة 43
... breaking of which , a cavity is found in them , containing a loose Pyricubium , or exquifitely gloffy cube of Mundick . All these are fimiliar proofs of the doctrine , which we laid down in the first place . Another example whereof , we ...
... breaking of which , a cavity is found in them , containing a loose Pyricubium , or exquifitely gloffy cube of Mundick . All these are fimiliar proofs of the doctrine , which we laid down in the first place . Another example whereof , we ...
الصفحة 47
... break to take out the Zinc . Lapis Calaminaris with Copper , makes Brafs ; Zinc with Copper , makes Princes Metal , or Bath Metal ; and improves Tin in whitenefs and hardness , in the compofition of fome Pewter . Stibium . Antimony ...
... break to take out the Zinc . Lapis Calaminaris with Copper , makes Brafs ; Zinc with Copper , makes Princes Metal , or Bath Metal ; and improves Tin in whitenefs and hardness , in the compofition of fome Pewter . Stibium . Antimony ...
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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