A calculation on the commencement of the millennium, and a short reply to Dr. Horne's pamphlet, entituled, "Sound argument, dictated by common sense." : Together with cursory observations on the "Age of credulity." By Nathaniel Brassey Halhed, M.P. To which is added, an original letter from Mr. Brothers, to Philip Stephens, Esq. With his answer. A paper is subjoined, pointing out those parts of Mr. Brothers's prophecies that have been already fulfilled.