On the Connexion of the Physical SciencesMurray, 1858 - 555 pages |
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Page 112
... metallic surface can only be obtained by immersing the platinum in very strong hot sulphuric acid and then washing it in distilled water , or by making it the positive pole of a galvanic pile in dilute sulphuric acid . It appears that ...
... metallic surface can only be obtained by immersing the platinum in very strong hot sulphuric acid and then washing it in distilled water , or by making it the positive pole of a galvanic pile in dilute sulphuric acid . It appears that ...
Page 143
... metallic springs thrown into vibration by a current of air . Among the most perfect of these are Mr. Wheatstone's Symphonion , Concertina , and Æolian Organ , instruments of different effects and capabilities , but all possessing ...
... metallic springs thrown into vibration by a current of air . Among the most perfect of these are Mr. Wheatstone's Symphonion , Concertina , and Æolian Organ , instruments of different effects and capabilities , but all possessing ...
Page 144
... metallic rod , when struck at one end , or rubbed in the direction of its length with a wet finger , vibrates longitudi- nally , like a column of air , by the alternate condensation and expansion of its constituent particles , producing ...
... metallic rod , when struck at one end , or rubbed in the direction of its length with a wet finger , vibrates longitudi- nally , like a column of air , by the alternate condensation and expansion of its constituent particles , producing ...
Page 145
... metallic plate , these divisions may amount to thirty - six or forty . The next is the concentric system , where the sand arranges itself in circles , having the same centre with the plate ; and the third is the compound system , where ...
... metallic plate , these divisions may amount to thirty - six or forty . The next is the concentric system , where the sand arranges itself in circles , having the same centre with the plate ; and the third is the compound system , where ...
Page 150
... metallic rod with a sounding - board near the orchestra , so placed as to resound to all the instruments , and the other end with the sounding - board of a harp , piano , or guitar , in a remote apartment . Professor Wheatstone observes ...
... metallic rod with a sounding - board near the orchestra , so placed as to resound to all the instruments , and the other end with the sounding - board of a harp , piano , or guitar , in a remote apartment . Professor Wheatstone observes ...
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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