Cyclopadic Science SimplifiedF. Warne and Company, 1869 - 685 pages |
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Page 19
... distance , depending on the intensity of the light to be measured ; the whole length being a little over 4 ft . , each light can be placed at a distance of 24 in . from the disc . The flame is then sheltered from currents of air by ...
... distance , depending on the intensity of the light to be measured ; the whole length being a little over 4 ft . , each light can be placed at a distance of 24 in . from the disc . The flame is then sheltered from currents of air by ...
Page 228
... distance that separates them . Example : An electrified body at a certain distance exerts a force which may be called unity or one ; at half that distance the power is four times greater ; at one - third , nine times ; one - fourth ...
... distance that separates them . Example : An electrified body at a certain distance exerts a force which may be called unity or one ; at half that distance the power is four times greater ; at one - third , nine times ; one - fourth ...
Page 230
... distance of 36 ° , in order to compel the needle to come to 18 ° , the top circle on the tube must be moved round ... distance is not exactly sustained , except when the balls or the discs are charged with an equal quan- tity of ...
... distance of 36 ° , in order to compel the needle to come to 18 ° , the top circle on the tube must be moved round ... distance is not exactly sustained , except when the balls or the discs are charged with an equal quan- tity of ...
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Common terms and phrases
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