Cyclopadic Science SimplifiedF. Warne and Company, 1869 - 685 pages |
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Page 54
... become divergent , the latter convergent ; and if the rays K K be regarded as convergent rays , they become parallel when emerg- OTHER FORMS OF LENSES . For various optical purposes a variety of lenses , in addition to the prism , the ...
... become divergent , the latter convergent ; and if the rays K K be regarded as convergent rays , they become parallel when emerg- OTHER FORMS OF LENSES . For various optical purposes a variety of lenses , in addition to the prism , the ...
Page 55
... become convergent . e . A concavo - convex lens ; when the concavity exceeds the convexity , parallel rays become divergent d FIG . 63 . It is good practice for the student in physics to make careful drawings of the above figures , and ...
... become convergent . e . A concavo - convex lens ; when the concavity exceeds the convexity , parallel rays become divergent d FIG . 63 . It is good practice for the student in physics to make careful drawings of the above figures , and ...
Page 596
... become vapour being given out to the walls , they thus acquire such a high temperature as to fuse sulphur ; therefore it can no longer become solid , but condenses on their surface in a liquid form , and falls down to the bottom , where ...
... become vapour being given out to the walls , they thus acquire such a high temperature as to fuse sulphur ; therefore it can no longer become solid , but condenses on their surface in a liquid form , and falls down to the bottom , where ...
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angle apparatus appear arrangement Atomic weight atoms ball battery bismuth body boiling brass called carbon cause charcoal charge chemical chloride circuit coating coil colour condensing conductor connected containing copper crystal cylinder decomposed diameter direction disc discharge effect electric current electrical machine electro-magnet electroscope engine equal experiments flame fluid force galvanometer gases glass gold gun cotton heat hydrogen inch instrument insulated iodine iron latter length lens Leyden jar light lines liquid magnetic mercury metal mirror motion needle nitric acid obtained oxide oxygen paper particles pass phosphorus piece piston placed plate platinum polarized pole position pressure prism produced quantity rays refraction resistance salt screw shown side silver sodium solid solution sound spark specific gravity spectrum steam substance sulphate sulphuric acid surface temperature thermometer tion tourmaline tricity tube vapour velocity vessel vibrations voltaic weight wheel whilst wire zinc