The Edinburgh Encyclopædia Conducted by David Brewster, with the Assistance of Gentlemen Eminent in Science and Literature, 1권J. and E. Parker, 1832 |
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... earth , by detecting a change in the posi- tion of the fixed stars . They supposed , that if ASBD was the earth's orbit , A its position in December , B its position in June , and S any fixed star , the observer on the earth at A would ...
... earth , by detecting a change in the posi- tion of the fixed stars . They supposed , that if ASBD was the earth's orbit , A its position in December , B its position in June , and S any fixed star , the observer on the earth at A would ...
242 페이지
... earth , as increasing the friction instead of dimin- ishing it . Besides the improved Rotherham plough , now in ge- neral use , and worked by two horses , another imple- ment , constructed upon the same principles , but of smaller ...
... earth , as increasing the friction instead of dimin- ishing it . Besides the improved Rotherham plough , now in ge- neral use , and worked by two horses , another imple- ment , constructed upon the same principles , but of smaller ...
373 페이지
... earth , and by employing all the precision necessary for that purpose , he found that one hundred grains of it contained sixty of calcareous earth , mixed with alumine , and a little oxyd of iron , difficult to be dissolved , and 364 of ...
... earth , and by employing all the precision necessary for that purpose , he found that one hundred grains of it contained sixty of calcareous earth , mixed with alumine , and a little oxyd of iron , difficult to be dissolved , and 364 of ...
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Abyssinia academy according acre advantage Æneid Æsop æther Africa afterwards agriculture Agrippa Alamanni ancient animals appear army attention balloon barley beans Begemder body breed Britain called cattle celebrated church circumstances clay clover colour common turnips consequence considerable corn crop cultivated drilled dung earth employed England equal Ethiopia expense farm farmer favour feet Fezzan field flint glass furrow given Gondar grain grass greater Greek ground Hist honour horses husbandry improvement inches inhabitants island kind king kingdom labour land lease length lime loam machine manner manure ment miles mode mountain nature oats object plants plough possession practice present produce quantity reign rendered retina river Roman Rotherham plough rye-grass Scotland season seed situation soil sound sown stone Strabo straw string sufficient summer fallow supposed surface thrashing Tigré tillage tion tivated town turnips vibration wheat whole