He wrote the Free Briton under the signature of "Francis Walsingham", and succeeded Matthew Concanen in the British Journal.
The report of the committee of inquiry into Walpole's conduct indicates that in the years 1731-41 over £50,000 for his writing circle, with over £10,997 allocated to Arnall for distribution to other journalists or to meet printing costs.
[1] Besides his writing for Walpole, Arnall also published a number of pamphlets on political and ecclesiastical themes, including Publius Clodius Pulcher and Cicero (1727), One of his tracts, in which he disputes certain claims of the clergy in regard to tithes Animadversions on Bishop Sherlock's Remarks on the Tythe Bill, is reprinted in The Pillars of Priestcraft and Orthodoxy Shaken (2nd edn, 1768).
A letter to Dr. Codex [Dr. Gibson] on His Modest Instructions to the Crown (1733), Opposition No Proof of Patriotism (1735) on Thomas Rundle's appointment to the see of Londonderry, and The Complaint of the Children of Israel (1736, under the name Solomon Abrabanel) are attributed to him.
A Letter to the Revd Dr Codex [Edmund Gibson] (1733), Opposition No Proof of Patriotism (1735), The Complaint of the Children of Israel (1736, under the name Solomon Abrabanel), and Animadversions on Bishop Sherlock's Remarks on the Tythe Bill, reprinted in The Pillars of Priestcraft and Orthodoxy Shaken (2nd edn, 1768).