The Mirror of Literature, Amusement, and Instruction - Volume 19, No. 529, January 14, 1832 by Various
page 23 of 50 (46%)
page 23 of 50 (46%)
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being asked the cause, he replied, "I must ride, because I am in a hurry."
21. A student in want of money sold his books, and wrote home, "Father, rejoice; for I now derive my support from literature." We thank the wits of the _Athenaeum_ for these piquancies: they are in the right true Attic vein, and are therefore characteristic of that clever Journal. * * * * * KNOWLEDGE FOR THE PEOPLE. (_From_ Part xiii.--_Botany._) _Why have vegetables the function of transpiration?_ Because the sap, on arriving in the leaves, loses and gives out the superabundant quantity of water which it contained. _Why are limpid drops often observed hanging at the points of leaves at sunrise?_ Because of the vegetable transpiration condensed by the coldness of the night. It was long thought that they were produced by dew; but Mushenbroƫk first proved the above, by conclusive experiments. He intercepted all communication between a poppy and the ambient air, by covering it with a bell; and between it and the earth, by covering the vessel in which it |
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