Library of Useful Knowledge: Natural philosophy, Volume 2Baldwin and Cradock, 1829 - Physics |
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Page xlii
... equal parts , called degrees ; and these degrees into 60 equal parts , called minutes . The diameter of a circle is a right line drawn across it , and passing through the centre ; the diameter is equal to a little less than one - third ...
... equal parts , called degrees ; and these degrees into 60 equal parts , called minutes . The diameter of a circle is a right line drawn across it , and passing through the centre ; the diameter is equal to a little less than one - third ...
Page 31
... equal to the deviation of the similar ray in the spectrum V ' R ' from its original direction B's ' . Such is not the fact , and it is almost inconceivable how Newton , who had avowedly ex- amined the spectra produced , not only by ...
... equal to the deviation of the similar ray in the spectrum V ' R ' from its original direction B's ' . Such is not the fact , and it is almost inconceivable how Newton , who had avowedly ex- amined the spectra produced , not only by ...
Page 17
... equal to the ratio of the sines of the opposite angles WSC to WNC of respectively perpendicular to WS and the triangle WSN ; that is , in the ratio WN , and which will , of course , meet at of Cs to Cn , which are the actual sines , the ...
... equal to the ratio of the sines of the opposite angles WSC to WNC of respectively perpendicular to WS and the triangle WSN ; that is , in the ratio WN , and which will , of course , meet at of Cs to Cn , which are the actual sines , the ...
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