[Dynamite], a powerful explosive substance, intensely local in its action; formed by impregnating a porous siliceous earth or other substance with some 70 per cent. of nitro-glycerine.

[Dynamo], a machine by which mechanical work is transformed into powerful electric currents by the inductive action of magnets on coils of copper wire in motion.


E

[Eacus]. See [Æacus].

[Eadmer], a celebrated monk of Canterbury; flourished in the 12th century; friend and biographer of St. Anselm, author of a History of His Own Times, as also of many of the Lives of the Saints; elected to the bishopric of St. Andrews in 1120; resigned on account of Alexander I. refusing to admit the right of the English Archbishop of Canterbury to perform the ceremony of consecration.

[Eadric], a Saxon, notorious for his treachery, fighting now with his countrymen against the Danes and now with the Danes against them, till put to death by order of Canute in 1017.

[Eads, James Buchanan], an American engineer, born in Laurenceburg, Indiana; designed ingenious boats for floating submerged ships; built with remarkable speed warships for the Federalists in 1861; constructed a steel bridge spanning the Mississippi at St. Louis, noteworthy for its central span of 520 ft. (1820-1887).

[Eagle], the king of birds, and bird of Jove; was adopted by various nations as the emblem of dominant power, as well as of nobility and generosity; in Christian art it is the symbol of meditation, and the attribute of St. John; is represented now as fighting with a serpent, and now as drinking out of a chalice or a communion cup, to strengthen it for the fight.

[Eagle, Order of the Black], an order of knighthood founded by the Elector of Brandenburg in 1701; with this order was ultimately incorporated the Order of the Red Eagle, founded in 1734 by the Markgraf of Bayreuth.