Dr John Burgon has shown in his excellent study on the verse, that the Apostle Paul wrote these words, as guided by God the Holy Spirit, and that it was corrupted by enemies of the TRUTH that Jesus Christ is ALMIGHTY GOD.
His work on this has and will never be refuted
The revision revised : three articles reprinted from the Quarterly review : I. The new Greek text. II. The new English version. III. Westcott and Hort's new textual theory : to which is added a reply to Bishop Ellicott's pamphlet in defence of the revisers and their Greek text of the New Testament, including a vindication of the traditional reading of 1 Timothy III. 16 : Burgon, John William, 1813-1888 : Free Download, Borrow, and Streaming : Internet Archive
His work on this has and will never be refuted
The revision revised : three articles reprinted from the Quarterly review : I. The new Greek text. II. The new English version. III. Westcott and Hort's new textual theory : to which is added a reply to Bishop Ellicott's pamphlet in defence of the revisers and their Greek text of the New Testament, including a vindication of the traditional reading of 1 Timothy III. 16 : Burgon, John William, 1813-1888 : Free Download, Borrow, and Streaming : Internet Archive