 He was one of the authors in Prime Minister Robert Walpole's pay who replied to the "Craftsman" and the various attacks of Bolingbroke and Pulteney.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.