The Encyclopędia Britannica: A Dictionary of Arts, Sciences, Literature and General Information, Volums 9-10

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 Ptolemy 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