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 19
الصفحة
... person of the operator , 119. How to make and use distinguishing rods , 120. Directions for their practical use in the discovery of Lodes , & c . 121. Parturition of a metallick Lode , by a Cross - Goffan , eafily found by the rod - its ...
... person of the operator , 119. How to make and use distinguishing rods , 120. Directions for their practical use in the discovery of Lodes , & c . 121. Parturition of a metallick Lode , by a Cross - Goffan , eafily found by the rod - its ...
الصفحة 3
... person as in the Heathen mythology is called Mul- ciber , or Vulcan , who was the god of fubterranean fire , and esteemed the prefident over Metals , it is not effential to our purpose . It has been long difputed whether Metals are ...
... person as in the Heathen mythology is called Mul- ciber , or Vulcan , who was the god of fubterranean fire , and esteemed the prefident over Metals , it is not effential to our purpose . It has been long difputed whether Metals are ...
الصفحة 117
... persons , and in all rods , under the circumstances hercafter defcribed . << The rod is attracted by all the Metals , by Coals , Bones , Limestone , and Springs of Water , with different degrees of ftrength in the following order : 1 ...
... persons , and in all rods , under the circumstances hercafter defcribed . << The rod is attracted by all the Metals , by Coals , Bones , Limestone , and Springs of Water , with different degrees of ftrength in the following order : 1 ...
الصفحة 118
... person who holds it wants the virtue ; whereas by a proper attention to this circumstance in ufing it , five perfons in fix have the virtue as it is called ; that is , the nut or fruit bearing rod will answer in their hands . When the ...
... person who holds it wants the virtue ; whereas by a proper attention to this circumstance in ufing it , five perfons in fix have the virtue as it is called ; that is , the nut or fruit bearing rod will answer in their hands . When the ...
الصفحة 121
... person that hath been accustomed to carry it , will meet with a fingle repulfion and attraction , every three , four , or five yards , which must not be heeded , it being only from the water that is between every bed of Killas , Grouan ...
... person that hath been accustomed to carry it , will meet with a fingle repulfion and attraction , every three , four , or five yards , which must not be heeded , it being only from the water that is between every bed of Killas , Grouan ...
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