Thus the limitation of the Milanese duchy under Filippo Maria Visconti, and its consolidation under Francesco Sforza, were equally effectual in preparing the balance of power to which Italian politics now tended.
There is good reason to believe that the system was as effectual in the prevention and punishment of crime and in the redress of wrongs as any other human contrivance has ever been.
At English common law debts and other choses in action were not assignable (see CHOSE), but by the Judicature Act 1873 any absolute assignment of any debt or other legal chose in action, of which express notice in writing is given to the debtor, trustee or other person from whom the assignor would have been entitled to receive or claim such debt, is effectual in law.
It increases rapidly with the aperture, and is more important with medium apertures than the secondary spectrum of par-axial rays; consequently, spherical aberration must be eliminated for two colours, and if this be impossible, then it must be eliminated for those particular wave-lengths which are most effectual for the instrument in question (a graphical representation of this error is given in M.
Built up a national monarchy which would be quite as effectual a bar to the ambitions of Spain.
The fortress was often besieged and sometimes taken, the Picts seizing it in 736 and the Northmen in 870, but the most effectual surprise of all was that accomplished, in the interests of the young King James VI., by Thomas Crawford of Jordanhill on March 31, 1571.
Lebanon during the Frank period of Antioch and Palestine, the Maronites being inclined to take the part of the crusading princes against the Druses and Moslems; but they were still regarded as heretic Monothelites by Abulfaragius (Bar-Hebraeus) at the end of the 13th century; nor is their effectual reconciliation to Rome much older than 1736, the date of the mission sent by the pope Clement XII., which fixed the actual status of their church.
The device is a most effectual one.
Such a lease for more than a year is not effectual even for a year, except where the lessee has taken possession.
From this disaster the inhabitants recovered so far as to be able to give an effectual check to an invasion of the Goths in the reign of Claudius II., and the fortifications were greatly strengthened during the civil wars which followed the abdication of Diocletian.