H/T Bishop Chandler Holder Jones, Bishop Suffragan of the Diocese of the Eastern United States of the Anglican Province of America.
14th November 1784, the Bestowal of the American Episcopate: ALMIGHTY God, who by thy Son Jesus Christ didst give to thy holy Apostles many excellent gifts, and didst charge them to feed thy flock; Give grace, we beseech thee, to all Bishops, the Pastors of thy Church, that they may diligently preach thy Word, and duly administer the godly Discipline thereof; and grant to the people, that they may obediently follow the same; that all may receive the crown of everlasting glory; through the same thy Son Jesus Christ our Lord. Amen.
My Anglican friends and brother clergy: don't allow ANYONE from the ranks of the Roman Catholic Church or the Eastern Orthodox Church to get away with the assertion that Anglican orders aren't valid. The scholars among them know otherwise.
One other note: Seabury's consecration by bishops of the Scottish Episcopal Church came with the mandate that the new American Book of Common Prayer would include in the Service of Holy Communion the Prayer of Consecration and Epiclesis from the Scottish Book of Common Prayer, an inheritance of the good and faithful Catholic work of the English Non-Jurors. That is why the 1928 American Book of Common Prayer is superior to the 1662 English book, its status as an official formulary of the Church of England notwithstanding.