A School Compendium of Natural and Experimental Philosophy ... Twenty-second edition, with additions, etc1849 - 12 ページ |
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air-pump angle angles of incidence aphelion apparatus appear ascertained atmosphere attraction axis axle ball battery called causes centre of gravity Ceres circle color comet communicated concave mirror condensing consist constructed convex lens copper cylinder degree diameter direction distance earth eclipse effect elastic Electro-Magnetism equal experiment Explain Fig Explain the figure fall focus force friction galvanic glass heat heavenly bodies hygrometer illustration inches inclined Jupiter kinds lenses lever Leyden jar liquid luminous body machine magnet mercury metallic moon motion move object orbit particles pass perihelion perpendicular piston placed planet plate pole pressure prime conductor principle produced properties proportion pulley pump quantity rays of light reflected reflecting telescope refracted revolve rise Saturn screw seen side specific gravity stars steam substances surface telescope tion tricity tube valve velocity vessel Vesta vibrations vitreous humor voltaic voltaic pile weight wheel wire zinc
