Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology, Chemistry, Etc., Etc., EtcW.H. Steele, 1883 - 781 páginas |
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Página 103
... placed behind a lens will only receive the image of a lighted object , A B , if placed in a position , RR ( fig . 96 ) . If placed nearer at R " R " , or further off at R'R ' , the light from the object is thrown on the screen , and the ...
... placed behind a lens will only receive the image of a lighted object , A B , if placed in a position , RR ( fig . 96 ) . If placed nearer at R " R " , or further off at R'R ' , the light from the object is thrown on the screen , and the ...
Página 124
... placed a prism of exactly half a diameter less , the surface of which is covered with plane mirrors . A strip of cardboard bearing a number of designs of the same object , por- trayed in different phases of action , is placed in the ...
... placed a prism of exactly half a diameter less , the surface of which is covered with plane mirrors . A strip of cardboard bearing a number of designs of the same object , por- trayed in different phases of action , is placed in the ...
Página 157
... placed at an angle of 45 ° . placing a lighted candle at a known distance opposite the opening , its light is reflected in the mirror and thrown upward through the tube . On top of the tube is placed a round vessel of glass or metal ...
... placed at an angle of 45 ° . placing a lighted candle at a known distance opposite the opening , its light is reflected in the mirror and thrown upward through the tube . On top of the tube is placed a round vessel of glass or metal ...
Contenido
Science in the Open AirAphidesEvaporation by LeavesAn AquariumThe | 6 |
WATER | 45 |
CHAPTER XIX | 212 |
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Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology ... Gaston Tissandier Vista previa limitada - 2018 |
Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology ... Gaston Tissandier Vista previa limitada - 2016 |
Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology ... Gaston Tissandier Vista previa limitada - 2018 |
Términos y frases comunes
ammonia angles animals antimony apparatus appear Aratus atmosphere attraction axis ball balloon battery body called carbonic acid carpels cause cells centre chemical clouds colour combination compound contains copper crustacea crystals cylinder disc distance earth effect electric current electricity electrophorus equal experiment feet flowers fluid force give glass globe gravity heat hydrogen illustration fig infusoria instrument iron Jupiter known lamp Leyden jar light lime liquid machine magnet means mercury metal miles minerals moon motion move movement nature needle nitric acid object observed obtained Oolite oxide oxygen paper particles pass perceived phenomena phosphorescent piece pistil plants plate platinum pole portion position Praxinoscope pressure produced rays retina rocks rotation round salt seen silver sound stamens stars substances sulphate sulphuric acid surface temperature termed tion tube turn vapour vegetable vibrations weight wheel wind wire zinc