This Scientific Age: Essays in Modern Thought and AchievementDugald Caleb Jackson, Walter Paul Jones J. Wiley & Sons, Incorporated, 1930 - Počet stran: 353 |
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Strana 38
Essays in Modern Thought and Achievement Dugald Caleb Jackson, Walter Paul Jones. rustless iron , and where iron does not rust man cannot live , nor can any other animal or any plant . Iron rusts for the same reason that a stone rolls ...
Essays in Modern Thought and Achievement Dugald Caleb Jackson, Walter Paul Jones. rustless iron , and where iron does not rust man cannot live , nor can any other animal or any plant . Iron rusts for the same reason that a stone rolls ...
Strana 40
... iron , but iron is necessary to its formation . We all know how pale a plant gets if its soil is short of iron . It is the iron in the leaves that enables the plants to store up the energy of the sunshine for their own use and ours . It ...
... iron , but iron is necessary to its formation . We all know how pale a plant gets if its soil is short of iron . It is the iron in the leaves that enables the plants to store up the energy of the sunshine for their own use and ours . It ...
Strana 43
... iron ore . If we are ever to get ahead , if we are to gain any respite from this enormous waste of labor and natural resources , we must find ways of preventing the iron which we have obtained and fashioned into useful tools from being ...
... iron ore . If we are ever to get ahead , if we are to gain any respite from this enormous waste of labor and natural resources , we must find ways of preventing the iron which we have obtained and fashioned into useful tools from being ...
Obsah
Descriptive Essays I II III | 1 |
THE HOUSE OF A THOUSAND MARVELS M | 20 |
METALS Old and New Edwin E Slosson | 36 |
Autorská práva | |
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This Scientific Age: Essays in Modern Thought and Achievement Dugald Caleb Jackson,Walter Paul Jones Zobrazení fragmentů - 1930 |
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