Cyclopædic Science simplified ... With ... illustrations |
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Page xi
... APPARATUS CON- NECTED THEREWITH ... MAGNETISM - continued . SIR CHARLES WHEATSTONE'S LAST TELEGRAPHIC APPARATUS Page 413 THE ATLANTIC TELEGRAPH CABLE 421 THE DIFFERENTIAL RESISTANCE MEA- SURER ......... 423 407 ON THE CONSERVATION OF ...
... APPARATUS CON- NECTED THEREWITH ... MAGNETISM - continued . SIR CHARLES WHEATSTONE'S LAST TELEGRAPHIC APPARATUS Page 413 THE ATLANTIC TELEGRAPH CABLE 421 THE DIFFERENTIAL RESISTANCE MEA- SURER ......... 423 407 ON THE CONSERVATION OF ...
Page 2
... apparatus as figured below , Fig . 1 , wherewith to procure rotation in vacuo . " In this apparatus a slowly revolving shaft is carried up through a barometer tube , having at its top the receiver which is to be exhausted . When the ...
... apparatus as figured below , Fig . 1 , wherewith to procure rotation in vacuo . " In this apparatus a slowly revolving shaft is carried up through a barometer tube , having at its top the receiver which is to be exhausted . When the ...
Page 16
... apparatus by means of which , upon operating with the polarized image of a star , we can succeed in attenuating its intensity by degrees exactly calculable after a law which I have demonstrated . ' " It is difficult to obtain an exact ...
... apparatus by means of which , upon operating with the polarized image of a star , we can succeed in attenuating its intensity by degrees exactly calculable after a law which I have demonstrated . ' " It is difficult to obtain an exact ...
Page 30
... high - it is necessary to place the figure 18 ft . distant from the mirror c , and to use a lens of 9 ft . focus , to have the image 18 ft . on the other side of b FIG . 31. - Robertson's proposed Apparatus for Ghost 30 ON LIGHT .
... high - it is necessary to place the figure 18 ft . distant from the mirror c , and to use a lens of 9 ft . focus , to have the image 18 ft . on the other side of b FIG . 31. - Robertson's proposed Apparatus for Ghost 30 ON LIGHT .
Page 58
... apparatus , the dissolving view and the phantasmagoria lantern apparatus , are all refracting optical instruments , very easily constructed . The magic lantern was contrived , about the year 1650 , by the celebrated Kircher , and is ...
... apparatus , the dissolving view and the phantasmagoria lantern apparatus , are all refracting optical instruments , very easily constructed . The magic lantern was contrived , about the year 1650 , by the celebrated Kircher , and is ...
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acid action air-pump angle apertures apparatus arrangement axis ball barometer battery bismuth body boiling brass called carbon cause charged chemical circuit coating coil colours condensing conductor connected constructed copper cylinder described diameter direction disc discharge dry pile effect elec electric current electrical machine electro-magnet electroscope engine equal experiments flame fluid force galvanometer gases glass heat hydrogen inch induction instrument insulated iron latent heat latter length lens Leyden jar light lines magnetic mercury metal mirror motion needle observed obtained paper particles pass piece piston placed plate platinum polarized pole Polytechnic position pressure prism produced pump quantity rays reflected refraction resistance rheostat screw shellac shown side silver Sir Charles Wheatstone sound spark spectrum steam string substance sulphuric acid surface telegraph temperature thermometer tinfoil tion tourmaline tricity tube valve vapour velocity vessel vibrations voltaic wheel whilst wire zinc