On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 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 absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire