Library of Useful Knowledge: Natural philosophy, Volume 2Baldwin and Cradock, 1829 - Physics |
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Page 23
... rection to what it is when the same combination of metals is plunged in acids . ( 77. ) It need hardly be observed , that every thing that has been stated with regard to single galvanic circles applies also to compound circles , whether ...
... rection to what it is when the same combination of metals is plunged in acids . ( 77. ) It need hardly be observed , that every thing that has been stated with regard to single galvanic circles applies also to compound circles , whether ...
Page 3
... rection the reverse of that which it as- sumed in the former case . ( 14. ) For the more easy retention of these facts in the memory Oersted used the following formula : namely , the pole above which the negative electricity enters , is ...
... rection the reverse of that which it as- sumed in the former case . ( 14. ) For the more easy retention of these facts in the memory Oersted used the following formula : namely , the pole above which the negative electricity enters , is ...
Page 61
... rection of the current makes with the medial line A B. This will readily ap- pear by resolving the force Ab into the two forces , A a , A C , of which the latter , acting counter to the direction of the current , is destroyed , while ...
... rection of the current makes with the medial line A B. This will readily ap- pear by resolving the force Ab into the two forces , A a , A C , of which the latter , acting counter to the direction of the current , is destroyed , while ...
Contents
POPULAR INTRODUCTIONS to NATURAL PHILOSOPHY By | i |
Page | xvii |
MARCET icx | 10 |
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acid action aperture appear ascer attraction axis ball battery body brass centre centre of gravity circle colours compass concave conductor convex convex lens copper cylinder degree diameter direction distance earth effect elec electric current electric fluid electroscope equal experiments Fahrenheit fixed flint glass focus force galvanic glass gravity heat horizontal hygrometer inch induction instrument intensity iron length lens lenses lever light magnet ment mercury metal motion move needle Newton north pole object object-glass obliquely observed opposite parallel particles passing perpendicular phenomena piece placed plane plate polarity portion position prism produced proportion pyrometer quantity rays reflected refraction refrangible rendered repulsion retina right angles ring round side south pole specific gravity spherical aberration steel substance surface telescope temperature theory thermometer thickness tion tricity tube velocity vertical voltaic weight wire zinc