Cyclopadic Science SimplifiedF. Warne and Company, 1869 - 685 pages |
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Page 69
John Henry Pepper. " A picture of any object is formed on the retina of each eye ; but although there may be but one object presented to the two eyes , the pictures formed on the two retinæ are not precisely alike , because the object is ...
John Henry Pepper. " A picture of any object is formed on the retina of each eye ; but although there may be but one object presented to the two eyes , the pictures formed on the two retinæ are not precisely alike , because the object is ...
Page 70
... object . Two pictures are therefore taken from the really projecting or solid body , the one as observed by the ... object to the direction from which the rays appear to have proceeded when they enter the eyes , both pictures will appear ...
... object . Two pictures are therefore taken from the really projecting or solid body , the one as observed by the ... object to the direction from which the rays appear to have proceeded when they enter the eyes , both pictures will appear ...
Page 99
... object whose spectrum it is desired to compare with that of the object placed on the stage of the microscope . This second beam of light strikes against a very small prism suitably placed inside the apparatus , and is reflected up ...
... object whose spectrum it is desired to compare with that of the object placed on the stage of the microscope . This second beam of light strikes against a very small prism suitably placed inside the apparatus , and is reflected up ...
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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