The Quarterly Journal of Science and the Arts, Volumen 5John Murray, 1818 |
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Página 110
... needles were seen collecting , and attaching themselves around the negative platina wire , which soon ... needle insulated at the end of a glass rod , no divergence of the gold leaves could be observed , even when both the ...
... needles were seen collecting , and attaching themselves around the negative platina wire , which soon ... needle insulated at the end of a glass rod , no divergence of the gold leaves could be observed , even when both the ...
Página 126
... needle , perhaps in consequence of a little iron . The specific gravity is 7.467 . 18. Analysis of Bitter Almonds . M. Vogel , in his experiments on and analysis of bitter almonds , gives the following proportions of the substances in ...
... needle , perhaps in consequence of a little iron . The specific gravity is 7.467 . 18. Analysis of Bitter Almonds . M. Vogel , in his experiments on and analysis of bitter almonds , gives the following proportions of the substances in ...
Página 136
... needle is deflected from this line , the force exerted upon it to bring it back to its first po- sition will be as the sine of the angle which the needle makes with the magnetic meridian . The power , therefore , which tends to return ...
... needle is deflected from this line , the force exerted upon it to bring it back to its first po- sition will be as the sine of the angle which the needle makes with the magnetic meridian . The power , therefore , which tends to return ...
Página 137
... needle , the bar being in a line with the needle , a repul- sion will take place , and the needle will deviate until the repelling power of the bar and the attractive force of the earth on it , are equal to each other . This may have ...
... needle , the bar being in a line with the needle , a repul- sion will take place , and the needle will deviate until the repelling power of the bar and the attractive force of the earth on it , are equal to each other . This may have ...
Página 138
... needle by the violet rays of the solar beam . The arrangement of the apparatus was in the old form , and the time required to produce the effect was 55 minutes . III . NATURAL HISTORY . § 1. BOTANY . 1. Native Country of the Potatoe ...
... needle by the violet rays of the solar beam . The arrangement of the apparatus was in the old form , and the time required to produce the effect was 55 minutes . III . NATURAL HISTORY . § 1. BOTANY . 1. Native Country of the Potatoe ...
Índice
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| 396 | |
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Adam's Peak altitude ammonia angle appears arts ascertained atmosphere Author axis azimuth BAMBUSA blue bodies bubble Caldas da Rainha carbonate chemical chloride chronometer circle colours contains copper crystals Cyperacea degree direction DISPERIS distance Ditto earth effect exhibited experiments feet flame flax given number glass Glen Roy green Greenland Guaduas heat Hill and Bundy's horizontal hornblende hydrometer improvement inches instrument iron Lee's light liquid machine magnetic means measure meridian metal muriatic muriatic acid NASTUS nature nearly needle nitric acid object observed obtained oxide oxygen paper particles passing pendulum plate platinum potash pound produced proportion quantity quicksilver rays reflected reflectors result river rock Royal salt sciences SCIRPUS seen shew shewn Society solution species specific gravity supposed surface tabasheer tangent screw telescope temperature thermometer tion tube vernier vertical wire Zaire