For rails of basic open-hearth steel, which is rapidly ousting Bessemer steel, the Civil Engineers' specifications allowed from o 65 to 0-75% of carbon with 0-05% of phosphorus, while the specifications of the American Railway Engineering and Maintenance of Way Association provided for a range of 0.75 to 0-85% of carbon, with a maximum of 0.03% of phosphorus.
In 1199 the institution of a foreign podestd (a form of government which became permanent in 1212) gave a severe blow to the consular magistracy, which was soon extinguished; and in 1233 the people again rose against the nobles in the hope of ousting them entirely from office.
Towards the end of the year a revolutionary movement took place with the object of ousting Andrade from power.
After 1282 the signoria was composed of the 3 (afterwards 6) priori of the gilds, who ended by ousting the buoni uomini, while a defensor artificum et artium takes the place of the capitano; thus the republic became an essentially trading community, governed by the popolani grassi or rich merchants.
The connexion of the story with Arthur and his court brought about a speedy and more important development, the precise steps of which are not yet clear: Perceval became the hero of the Grail quest, in this ousting Gawain, to whom the adventure originally belonged, and the Perceval became merged in the Grail tradition.