 | 1805 - 534 pages
...prodi'ice4. ' VOL. VII.— SECOND SERTFS. d - thfe . the soil has been gently bruised in a mortar. The of the vegetable fibres or wood, and of the gravel...aluminous class of stones, they will be soft, easily scratched with a knife, and incapable of effervescing with acids. VII. Separation of the Sand and Clay,... | |
 | Repertory of arts, manufactures and agriculture - 1805 - 534 pages
...'the Analysis of Soil. .. . .. '. 5. l:- >"'i V ,'v, i£.i,.v. ,; .// *hesoil has been gcu^yb.niis.ed in a mortar. The weights •.of the vegetable fibres or wood, and of the gravel and _stQoes, should be sepajft^l^ troted ,clownj arKTttienaturc •:of the, last ascertained ; if calcareous,... | |
 | Friedrich Christian Accum - 1808 - 492 pages
...after that of heating, should be their separation, which may be easily accomplished by the sieve, after the soil has been gently bruised in a mortar. The...aluminous class of stones, they will be soft, easily scratched with a knife, and incapable of effervescing with acids. 7. Separation of the Sand and Clay,... | |
 | William Nicholson - 1808 - 900 pages
...<ieve, after the soil has been gently bruiiedina mo rtisr. Thcweirhtfofthe vegetable Jibies or wr.cd, and of the gravel and stones, should be separately noted down, and the Nature of the latter .pertained : if they lie ralcareous, they will effervesce with, acids ; if siliceous, they will... | |
 | Sir Humphry Davy, George Sinclair, John Russell Duke of Bedford - 1815 - 452 pages
...after that of heating, should be their separation, which may be easily accomplished by the sieve, after the soil has been gently bruised in a mortar. The...down, and the nature of the last ascertained ; if calcereous, they will effervesce with acids ; if siliceous, they will be sufficiently hard to scratch... | |
 | Andrew Ure - 1821 - 436 pages
...the land. But after the soil has been heated as above, these should be separated by the sieve, after the soil has been gently bruised in a mortar. The...gravel and stones, should be separately noted down, »nd the nature of the latter ascertained ; if iliey be calcareous, they will effervesce with acids... | |
 | Andrew Ure - 1821 - 436 pages
...above, these should be separated by the sieve, after the soil has been gently bruised in a mortajé The weights of the vegetable fibres or wood, and of...should be separately noted down, and the nature of the latter ascertained : if they be calcareous, they will effervesce with acids ; if siliceous, they will... | |
 | F. ACCUM - 1828 - 526 pages
...their separation, which may be easily accomplished by the sieve, after the soil has been gently braised in a mortar. The weights of the vegetable fibres or...sufficiently hard to scratch glass ; and if of the common argillaceous class of stones, they will be soft, easily scratched with a knife, and incapable of effervescing... | |
 | Andrew Ure - 1828 - 872 pages
...the land. But after the soil has been heated as above, these should be separated by the sieve, after the soil has been gently bruised in a mortar. The...should be separately noted down, and the nature of the latter ascertained : if they be calcareous, they will effervesce with acids ; if siliceous, they will... | |
 | Andrew Ure - 1831 - 980 pages
...land. Huí after the soil ha« been heated as above, these should be separated by the sieve, after the soil has been gently bruised in a mortar. The...should be separately noted down, and the nature of the latter ascertained : if they be calcareous, they will effervesce with acids; if siliceous, they will... | |
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The next process, however, after that of heating, should be their separation, which may be easily accomplished by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres or wood, and of the gravel and stones,... 
