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도서 This operation is performed for the space of a quarter of an hour, the water then...에 대해 검색한 26개 도서 중 1 - 10
" This operation is performed for the space of a quarter of an hour, the water then begins to run clearer. Having washed the earthy particles away, the gravel-like matter is raked up to the end of the trough ; after the current flows... "
Travels in South America - 327 페이지
저자: William Bingley - 1820 - 346 페이지
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Travels in the Interior of Brazil: Particulary in the Gold and Diamond ...

John Mawe - 1812 - 366 페이지
...eighty pounds weight of cascalhao. The water being then let in upon it, the cascalhao is spread abroad and continually raked up to the head of the trough,...in constant motion. This operation is performed for the space of a quarter of an hour; the water then begins to run clearer, having washed the earthy particles...
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The Quarterly Review

William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1812
...eighty pounds weight of cascalhao. The water being then let upon it, the cascalhao is spread abroad and continually raked up to the head of the trough...in constant motion. This operation is performed for the space of a quarter of an hour ; the water then begins to mn clearer. Having washed the earthy particles...
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The Quarterly Review, 7권

William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, Sir William Smith, Sir John Murray IV, Rowland Edmund Prothero Baron Ernle, George Walter Prothero - 1812
...eighty pounds weight of cascalhao. The water being then let upon it, the cascalha5 is spread abroad and continually raked up to the head of the trough...in constant motion. This operation is performed for the space of a quarter of an hour ; the water then begins to run clearer. Having washed the earthy...
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The Edinburgh Review: Or Critical Journal, 20권

Sydney Smith, Lord Francis Jeffrey Jeffrey, Macvey Napier, William Empson, Sir George Cornewall Lewis, Henry Reeve, Arthur Ralph Douglas Elliot (Hon.), Harold Cox - 1812
...cascalhuo. The water heing then let in upon it, the cascalnfio is spread abroad and continually raked tip to the head of the trough, so as to be kept in constant motion. This operation is performed for the space of a quarter of an hour ; the water then begins to run clearer; having washed the earthy...
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The Quarterly review, 7권

1812
...head of the trough so us to be kept in constant motion. This operation is performed for the space of a quarter of an hour; the water then begins to run clearer. Having washed the earthy particles •way, the gravel-like matter is raked up to the end of the trough...
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The Annual Register, Or, A View of the History, Politics, and Literature for ...

1813
...eighty pounds weight of casralhao. The water being then let in upon it, the cascalhao is spread abroad and continually raked up to the head of the trough,...in constant motion. This operation is performed for the space of a quarter of an hour; the water then begins to run clearer, having washed the earthy particles...
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The British Critic and Quarterly Theological Review, 41권

1813
...head of the trough, fo as to be kept in confiant motion. This operation is performed for the fpace of a quarter of an hour; the water then begins to run clearer, having wafned the earthy particles away, the gravel-like matter is raked np to the end of the trough...
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The British Critic, 41권

1813
...head of the trough, fo as to be kept in conitant motion. This operation is performed for the fpace of a quarter of an hour; the water then begins to run clearer, having wafhed the earthy particles away, the- gravel-like matter is raked up to the end of the trough...
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The Gallery of Nature and Art: Or, a Tour Through Creation and Science, 2권

Edward Polehampton, John Mason Good - 1818
...water being then let in upon it, the cascalhao is spread abroad and continually raked up to the iiead of the trough, so as to be kept in constant motion. This operation is performed for the space of a quarter of an hour ; the water then begins to run clearer ; having washed the earthy...
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Annual Register, 54권

Edmund Burke - 1821
...eighty pounds weight of cascalhao. The water being then let in upon it, the cascalhao is spread abroad and continually raked up to the head of the trough,...in constant motion. This operation is performed for the space of a quarter of an hour ; the water then begins to run clearer, having washed the earthy...
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