Chemical field lectures, a familiar exposition of the chemistry of agriculture. Transl. Ed., with notes, by A. Henfrey |
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Page 2
... means of these ; and it not only reveals to the miner the metals hidden in the rock , but aids him in their extraction and refinement . Chemistry , in conjunction with physics , has been the principal lever by which , within the last ...
... means of these ; and it not only reveals to the miner the metals hidden in the rock , but aids him in their extraction and refinement . Chemistry , in conjunction with physics , has been the principal lever by which , within the last ...
Page 3
... means by which it seeks to attain its aims . Everybody knows that a piece of iron , when hammered at a red heat , is converted into black scales , while by exposure to the damp atmosphere , or burial in moist earth , it is changed into ...
... means by which it seeks to attain its aims . Everybody knows that a piece of iron , when hammered at a red heat , is converted into black scales , while by exposure to the damp atmosphere , or burial in moist earth , it is changed into ...
Page 7
... means , the possibility might perhaps even be revealed , of growing one and the same kind of crop constantly upon the same field ? In the mineral kingdom there is a rather rare stone , of so beautiful a blue colour , that the painter ...
... means , the possibility might perhaps even be revealed , of growing one and the same kind of crop constantly upon the same field ? In the mineral kingdom there is a rather rare stone , of so beautiful a blue colour , that the painter ...
Page 8
... means . Let us read , not indeed books upon agricultural chemistry , but the writings of practical agriculturists themselves ; are they agreed upon the modus operandi and the manner of applying the simplest manures , lime , gypsum ...
... means . Let us read , not indeed books upon agricultural chemistry , but the writings of practical agriculturists themselves ; are they agreed upon the modus operandi and the manner of applying the simplest manures , lime , gypsum ...
Page 11
... means that of the vital force ; therefore in cases where chemical power enjoys free dominion , he will attain to positive results more easily and rapidly than in others , where the vital force , over which he can exercise no sway ...
... means that of the vital force ; therefore in cases where chemical power enjoys free dominion , he will attain to positive results more easily and rapidly than in others , where the vital force , over which he can exercise no sway ...
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Chemical Field Lectures, a Familiar Exposition of the Chemistry of ... Julius Adolph Stockhardt No preview available - 2016 |
Common terms and phrases
absorb abundant acre agriculture alkaline ammonia ammoniacal salts animal applied ashes atmosphere become bone-dust bones bushels carbonate of lime carbonic acid cent chemical chemistry cloth gilt clover coloured common salt complete composition compost constituents contain crops cultivation decay decomposed decomposition dissolved drainings earth Edition effect English Engravings especially excrements experiments farmer favourable fcap fermentation fertilizing folio Frontispiece gilt cloth gilt edges grain greater growth of plants guano gypsum half-bound heat hence humous humus illustrated increase ingredients kinds land latter less magnesia manure marl mineral substances moisture morocco nature nitric acid nitrogen nure obtained oil-cake oxygen phosphate phosphate of lime phosphoric acid Plates pub Portrait potash practical produced proportion putrefaction quantity quick lime refuse render rich roots saltpetre Saxony seed silica soda soil solid soluble stable-manure straw sulphate sulphuric acid superphosphate tion urine vegetable volatile vols weathering wood Woodcuts دو
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