The Popular Educator, Τόμος 4John Cassell, 1854 |
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Σελίδα 21
... forces with which matter is endowed continue to exert their action ; and there are sensible pores , such as may be ... force of mechanical pressure . In order to demonstrate experimentally the condition of porosity , the following ...
... forces with which matter is endowed continue to exert their action ; and there are sensible pores , such as may be ... force of mechanical pressure . In order to demonstrate experimentally the condition of porosity , the following ...
Σελίδα 22
... force , by means of which gigantic blocks are separated from the parent rock . A variation of the same force may be recognised in the augmentation of size , and the diminution of length , which cords undergo when they are moistened ...
... force , by means of which gigantic blocks are separated from the parent rock . A variation of the same force may be recognised in the augmentation of size , and the diminution of length , which cords undergo when they are moistened ...
Σελίδα 23
... forces ; in the second a body is not acted on by any force . Neverthe- less , it is a question whether there be any body actually at rest in the material universe . To this question we would answer in the negative . red in a district of ...
... forces ; in the second a body is not acted on by any force . Neverthe- less , it is a question whether there be any body actually at rest in the material universe . To this question we would answer in the negative . red in a district of ...
Σελίδα 26
... force that propelled them pushed along also materials of sand , gravel , and pebbles , which then lay at the bottom of the sea . By the combined forces of the current and of the iceberg , the rugged and angular blocks which were ...
... force that propelled them pushed along also materials of sand , gravel , and pebbles , which then lay at the bottom of the sea . By the combined forces of the current and of the iceberg , the rugged and angular blocks which were ...
Σελίδα 30
... force upon the ground , flows off more rapidly , and sweeps away the soil and gravel . II . PEAT AND MOSs . Peat has not only a conservative influence to protect the under- lying soil , but it has a reconstructive power , by which it ...
... force upon the ground , flows off more rapidly , and sweeps away the soil and gravel . II . PEAT AND MOSs . Peat has not only a conservative influence to protect the under- lying soil , but it has a reconstructive power , by which it ...
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acid adjectives adverbs ammonia antimony aorist apparatus arsenic atmosphere barometer body bottle called Cash Account CASSELL'S compound contains Cotton Account dative denotes density direction employed English equal example exercise exterior angle Florence flask force fraction French genitive given glass grave accent gravity greater Greek hence hydrogen inches Italian language Latin latter LESSONS liquid London and Westminster manganese marked means mercury metal motion nitric acid noun object orifice oxygen pá-dre participle particles Perfect Tense piston Pluperfect Tense plural precipitate preposition present pressure pronounced quantity qué-sto remark right angles rocks scale sentence side solution sound straight line student sulphur sulphuret surface syllable Tense thou tion triangle tube ú-na University of Pavia velocity verb vessel vowel weight werde Westminster Bank words würde zinc ας δε εν εστιν ης Οἱ ον ου