Early Physics and Astronomy: A Historical IntroductionMacDonald and Janes, 1974 - 413 oldal |
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162. oldal
... specific substances , and the concept of a chemical element was unknown . A heavy , reddish and chemically resistant alloy could thus be taken for gold without any conscious deception . Archimedes ' exact determination of the amount of ...
... specific substances , and the concept of a chemical element was unknown . A heavy , reddish and chemically resistant alloy could thus be taken for gold without any conscious deception . Archimedes ' exact determination of the amount of ...
187. oldal
... specific weight and used Archimedes ' principle to determining specific weights of a large number of metals and gemstones as a means of identification . This was an important step forwards , since a simple quantitative method of ...
... specific weight and used Archimedes ' principle to determining specific weights of a large number of metals and gemstones as a means of identification . This was an important step forwards , since a simple quantitative method of ...
351. oldal
... specific weights of 18 gems and metals . the title De motibus celorum ( ed . F. J. Carmody , Berkeley , 1952 ) . F. J. Carmody , Isis , XLII ( 1951 ) , 121–30 ( Alpetragius and Regiomontanus ) . de Vaux , II , 230–36 . Dreyer , 264–67 ...
... specific weights of 18 gems and metals . the title De motibus celorum ( ed . F. J. Carmody , Berkeley , 1952 ) . F. J. Carmody , Isis , XLII ( 1951 ) , 121–30 ( Alpetragius and Regiomontanus ) . de Vaux , II , 230–36 . Dreyer , 264–67 ...
Tartalomjegyzék
Science Before the Greeks | 1 |
The New Concept of Nature | 11 |
Plato and Greek Mathematics | 23 |
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