The Encyclopaedia Britannica: Edw to FraEncyclopaedia Britannica, 1910 |
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الصفحة 184
... electrodes . Electromagnetism . - In 1820 Arago ( Ann . Chim . Phys . , 1820 , 15 , p . 94 ) and Davy ( Annals of Philosophy , 1821 ) discovered independently the power of the electric current to magnetize 1 " Mémoire sur la théorie ...
... electrodes . Electromagnetism . - In 1820 Arago ( Ann . Chim . Phys . , 1820 , 15 , p . 94 ) and Davy ( Annals of Philosophy , 1821 ) discovered independently the power of the electric current to magnetize 1 " Mémoire sur la théorie ...
الصفحة 190
... electrode to another and the liberation at these electrodes of an equivalent weight of the ions , gave foundation for the idea of a definite atomic charge of elec- tricity . In fact , long previously to Faraday's electrochemical ...
... electrode to another and the liberation at these electrodes of an equivalent weight of the ions , gave foundation for the idea of a definite atomic charge of elec- tricity . In fact , long previously to Faraday's electrochemical ...
الصفحة 191
... electrodes sealed through the glass , electricity could be passed through them under sufficient electromotive force and produced a luminous appearance known as the electric glow discharge . The so - called vacuum tubes constructed by H ...
... electrodes sealed through the glass , electricity could be passed through them under sufficient electromotive force and produced a luminous appearance known as the electric glow discharge . The so - called vacuum tubes constructed by H ...
الصفحة 192
... electrode which proceeds in lines normal to the surface of the negative electrode and renders phosphorescent both the glass envelope and other objects placed in the vacuum tube when it falls upon them . Hittorf made in 1869 the ...
... electrode which proceeds in lines normal to the surface of the negative electrode and renders phosphorescent both the glass envelope and other objects placed in the vacuum tube when it falls upon them . Hittorf made in 1869 the ...
الصفحة 205
... electrodes laid across the wires in an arrangement resembling that shown in fig . 7 ) and Arons . A tube containing neon at a low pressure is especially suitable for this purpose . Zehnder ( Wied . Ann . 47 , p . 777 ) used an exhausted ...
... electrodes laid across the wires in an arrangement resembling that shown in fig . 7 ) and Arons . A tube containing neon at a low pressure is especially suitable for this purpose . Zehnder ( Wied . Ann . 47 , p . 777 ) used an exhausted ...
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acid action al-din Alexandria alternating current amirs ancient angles army Author became body British Cairo caliph called canal centre century charge chemical church circuit conductor connexion copper Coptic death density desert dielectric direction disk distance dynamo Edwards eggs Egyptian electric current electric force electrified electrodes electrolyte electromagnetic electromotive force electroscope elements England English equation Greek important induction insulated ions iron J. J. Thomson Khartum khedive king Kingdom land later Leyden jar London Lord Lord Kelvin Mahommed Malik Mamelukes measure Mehemet Mehemet Ali metal monuments native Nile Osman Digna Pasha period plane plate position potential pressure produced quantity railway reign result Roman solution strain stress Suakin Sudan sultan supply surface Syria temple theory tion tombs town traction troops unit Upper Egypt Wadi Halfa wire XIIth Dynasty
مقاطع مشهورة
الصفحة 165 - And let them judge the people at all seasons: and it shall be, that every great matter they shall bring unto thee, but every small matter they shall judge: so shall it be easier for thyself, and they shall bear the burden with thee.
الصفحة 88 - Thus saith the Lord God ; I will also destroy the idols, and I will cause their images to cease out of Noph; and there shall be no more a prince of the land of Egypt: and I will put a fear in the land of Egypt.
الصفحة 255 - STRONGLY it bears us along in swelling and limitless billows, Nothing before and nothing behind but the sky and the Ocean. II. THE OVIDIAN ELEGIAC METRE DESCRIBED AND EXEMPLIFIED. IN the hexameter rises the fountain's silvery column; In the pentameter aye falling in melody back.
الصفحة 276 - And it came to pass, as they still went on, and talked, that, behold, there appeared a chariot of fire, and horses of fire, and parted them both asunder; and Elijah went up by a whirlwind into heaven.
الصفحة 275 - Then the fire of the LORD fell, and consumed the burnt sacrifice, and the wood, and the stones, and the dust, and licked up the water that was in the trench.
الصفحة 294 - Find the locus of a point the sum of whose distances from two given parallel lines is equal to a given length.
الصفحة 138 - ... improved or rack rent of the premises, demised or holden in the possession of such tenant, to the person of whom he holds, to be recovered by action in any court of common law having juris| diction for the amount.
الصفحة 114 - Highness imposes upon them the duty of giving advice with the object of securing that the order of things to be established shall be of a satisfactory character, and possess the elements of stability and progress.
الصفحة 297 - Thou hast said much here of Paradise Lost, but what hast thou to say of Paradise Found?
الصفحة 19 - It is clear that between what a man calls me and what he simply calls mine the line is difficult to draw. ... In the widest possible sense ... a man's Self is the sum total of all that he can call his...