The mine. Loudon1845 |
From inside the book
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Page 37
... washed away , are carefully sifted , and then examined in a bright noon - day light , which is reflected by the diamonds and aids the research . Those who are accustomed to the business are so ex- pert that they can discover the ...
... washed away , are carefully sifted , and then examined in a bright noon - day light , which is reflected by the diamonds and aids the research . Those who are accustomed to the business are so ex- pert that they can discover the ...
Page 41
... washed away , and the earth in which they expect to find diamonds is dug out , and carried for washing and searching . This is done with considerable care and regu- larity . They erect a kind of shed , consisting 42 MODE OF SEARCH ...
... washed away , and the earth in which they expect to find diamonds is dug out , and carried for washing and searching . This is done with considerable care and regu- larity . They erect a kind of shed , consisting 42 MODE OF SEARCH ...
Page 42
... . It is raked again and again to the upper part of the trough , that it may be thoroughly washed ; which is known by the water running free from earthy particles . This effect is produced in FINDING A DIAMOND . 43 about a quarter of an.
... . It is raked again and again to the upper part of the trough , that it may be thoroughly washed ; which is known by the water running free from earthy particles . This effect is produced in FINDING A DIAMOND . 43 about a quarter of an.
Page 58
... washed before it is brought for melting . When melted , it runs into large oblong moulds , each of which contains about three hundred- weight of pure tin . It must now be conveyed to some one of the Stannary towns , to be marked and ...
... washed before it is brought for melting . When melted , it runs into large oblong moulds , each of which contains about three hundred- weight of pure tin . It must now be conveyed to some one of the Stannary towns , to be marked and ...
Page 78
... washed away by a stream of water turned on the " Maidens cobbing and bucking , " or , wo- men breaking the ore for the crushing machine . mass of broken stone from an artificial channel , or " leat , " provided on JIGGING MACHINES . 79 ...
... washed away by a stream of water turned on the " Maidens cobbing and bucking , " or , wo- men breaking the ore for the crushing machine . mass of broken stone from an artificial channel , or " leat , " provided on JIGGING MACHINES . 79 ...
Common terms and phrases
adit AMUSING ancient baskets beds blast BLAST FURNACE bottom BRADLEY COAL-MINE Brazil brought bucket called CANNEL COAL carried caverns cinnabar clay cloth coal COLLIERIES coloured copper COPPER-MINES Cornwall Dannemora deep depth descend diamonds discovered dred dykes earth Edition eight employed England excavations fire Forest of Dean formed Fowey furnace gold gold-mines grains gunpowder half half-bound horses hundred feet Illustrations iron ISAAC TAYLOR James Kolyvan labour lumps Mam Tor mass metal mile Millstone grit MINERAL VEINS miners mines mode morocco mountains native nearly Newcastle obtained operation papa persons PERU Petersburgh pieces pillars piston places Potosi pounds Price principal produce province quantity quicksilver river rock roof Russia salt sand shaft side silex silver smelted soil sometimes sort Spain Spaniards steam-engine stones STORIES strata stratum stream substance suppose surface Sweden thick Thompson thousand tion traveller twelve various kinds washed wood workmen
Popular passages
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