Cyclopadic Science SimplifiedF. Warne and Company, 1869 - 685 pages |
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Page 76
... moving with such velocity that if the eye were retained immovable no distinct appearance of the cogs in either could be observed ; but , upon standing in such a position that one wheel appeared behind the other , there was imme- diately ...
... moving with such velocity that if the eye were retained immovable no distinct appearance of the cogs in either could be observed ; but , upon standing in such a position that one wheel appeared behind the other , there was imme- diately ...
Page 82
... moving , then in the quadrangular space included within the in- tersection of the two tints will be seen a black line , sometimes straight , and connecting the opposite angles of the quadrangle , at other times oval or round , or even ...
... moving , then in the quadrangular space included within the in- tersection of the two tints will be seen a black line , sometimes straight , and connecting the opposite angles of the quadrangle , at other times oval or round , or even ...
Page 85
... moving at the rate of one thousand revolutions in a minute , no change would occur . It is the difference in the two velocities which determines this curious form of the illusion . Mr. Rose mentions a most amusing story in connection ...
... moving at the rate of one thousand revolutions in a minute , no change would occur . It is the difference in the two velocities which determines this curious form of the illusion . Mr. Rose mentions a most amusing story in connection ...
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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