The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and General Information, المجلدات 9-10Hugh Chrisholm University Press, 1910 |
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الصفحة 176
... being replenished or reinforced . The general principle of all the machines de- scribed below will be best understood by considering a simple ideal case . Imagine two Leyden jars with large brass knobs , A and B , to stand on the ground ...
... being replenished or reinforced . The general principle of all the machines de- scribed below will be best understood by considering a simple ideal case . Imagine two Leyden jars with large brass knobs , A and B , to stand on the ground ...
الصفحة 180
... Leyden jar or condenser was made by E. G. von Kleist of Kammin , and almost simultane- ously by Cunaeus and Pieter van Musschenbroek ( 1692–1761 ) of Leiden ( see LEYDEN JAR ) . Sir William Watson ( 1715-1787 ) in England first observed ...
... Leyden jar or condenser was made by E. G. von Kleist of Kammin , and almost simultane- ously by Cunaeus and Pieter van Musschenbroek ( 1692–1761 ) of Leiden ( see LEYDEN JAR ) . Sir William Watson ( 1715-1787 ) in England first observed ...
الصفحة 181
... Leyden jar was charged at the key , and by the electric fire thus obtained spirits were inflamed , and many other experiments performed which had been formerly made by excited electrics . In subse- quent trials with another apparatus ...
... Leyden jar was charged at the key , and by the electric fire thus obtained spirits were inflamed , and many other experiments performed which had been formerly made by excited electrics . In subse- quent trials with another apparatus ...
الصفحة 182
... Leyden jar induced to have been first given by Sir C. Wheatstone . Another of his a closer examination of these powers . The ancients were acquainted with the benumbing power of the torpedo - fish , but great investigations was the ...
... Leyden jar induced to have been first given by Sir C. Wheatstone . Another of his a closer examination of these powers . The ancients were acquainted with the benumbing power of the torpedo - fish , but great investigations was the ...
الصفحة 184
... Leyden jar ( Ann . Chim . Phys . , 1827 , 34 ) . W. Sturgeon in 1824 wound a copper wire round a bar of iron bent in the shape of a horseshoe , and passing a voltaic current through the wire showed that the iron became powerfully ...
... Leyden jar ( Ann . Chim . Phys . , 1827 , 34 ) . W. Sturgeon in 1824 wound a copper wire round a bar of iron bent in the shape of a horseshoe , and passing a voltaic current through the wire showed that the iron became powerfully ...
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acid action al-din Alexandria alternating current amirs ancient angles army became body British Cairo caliph called canal centre century charge chemical church circuit conductor connexion copper Coptic curve 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 magnetic force Mahommed Malik Mamelukes measure Mehemet Mehemet Ali ment 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 surface Syria temple theory tion tombs town traction troops unit Upper Egypt Wadi Halfa waves wire XIIth Dynasty