On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 138
... refracted , but suffer total reflection at very oblique incidences ( N. 189 ) . The laws of interference extend also to sound . It is clear that two equal and similar musical strings will be in unison ... REFRACTION OF SOUND . SECT . XVI .
... refracted , but suffer total reflection at very oblique incidences ( N. 189 ) . The laws of interference extend also to sound . It is clear that two equal and similar musical strings will be in unison ... REFRACTION OF SOUND . SECT . XVI .
Page 152
... such definite sounds , the civilised world would still have responded in sympathetic notes at the distance of many ages . SECTION XVIII . Refraction Astronomical Refraction and its Laws Formation 152 SECT . XVII . SPEAKING MACHINES .
... such definite sounds , the civilised world would still have responded in sympathetic notes at the distance of many ages . SECTION XVIII . Refraction Astronomical Refraction and its Laws Formation 152 SECT . XVII . SPEAKING MACHINES .
Page 153
Mary Somerville. SECTION XVIII . Refraction Astronomical Refraction and its Laws Formation of Tables of Refraction Terrestrial Refraction extraordinary Refraction - Reflection - - - Its Quantity Instances of - Instances of extraordinary ...
Mary Somerville. SECTION XVIII . Refraction Astronomical Refraction and its Laws Formation of Tables of Refraction Terrestrial Refraction extraordinary Refraction - Reflection - - - Its Quantity Instances of - Instances of extraordinary ...
Page 154
... refraction retain the same ratio , the refraction increases with the obliquity of incidence ( N. 189 ) . Hence it appears that the refraction is greatest at the horizon , and at the zenith there is none . But it is proved that , at all ...
... refraction retain the same ratio , the refraction increases with the obliquity of incidence ( N. 189 ) . Hence it appears that the refraction is greatest at the horizon , and at the zenith there is none . But it is proved that , at all ...
Page 155
... refraction determined by theory , he assigned the quantity due to each altitude ( N. 191 ) . The mean horizontal refraction is about 35 ′ 6 ′′ , and at the height of forty - five degrees it is 58 ′′ -36 . The effect of refraction upon ...
... refraction determined by theory , he assigned the quantity due to each altitude ( N. 191 ) . The mean horizontal refraction is about 35 ′ 6 ′′ , and at the height of forty - five degrees it is 58 ′′ -36 . The effect of refraction upon ...
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61 Cygni action appears atmosphere attraction bismuth bodies cause centre centrifugal force chemical colour comet consequently copper crystal dark degree density diamagnetic diameter diminishes direction disturbing double stars earth ecliptic effect electricity equal equator ethereal medium excentricity Fcap force glass gravitation greater heat hemisphere increase intensity Jupiter latitude length light lines liquid longitude luminous lunar magnetic major axis mass meridian metallic miles moon motion move nearly nebula nodal lines nodes northern hemisphere NOTE nutation observed optic axis orbit oscillations parallax paramagnetic particles passing perihelion periodic phenomena planets plate polarized pole position Post 8vo produced quantity rays reflected refraction refrangible revolution revolving right angles rings rotation round satellites Sir John Herschel solar spectrum space stars substances sun's surface telescope temperature terrestrial tion tourmaline transmitted tricity undulations Uranus vapour variation velocity vibrations Vols Voltaic waves wire Woodcuts