An Act for settling and securing a certain Annuity on the Earl of Chatham, and the Heirs of the Body of the late William Pitt Earl of Chatham, to whom the Earldom of Chatham shall descend, in Consideration of the eminent Services performed by the said late Earl to His Majesty and the Publick. At the Parliament begun and holden at Westminster, the Twenty ninth Day of November, Anno Domini 1774, in the Fifteenth Year of the Reign of our Sovereign Lord George the Third, by the Grace of God, of Great Britain, France, and Ireland, King, Defender of the Faith, etc. And from thence continued by several Prorogations to the Twentieth Day of November, 1777, being the Fourth Session of the Fourteenth Parliament of Great Britain.