The seaman's spiritual companion, or, Navigation spirituallized [electronic resource] : being a new compass for seamen consisting of thirty-two points : directing every Christian how to stear the course of his life through all storms and tempests : fit to be read and seriously perused by all such as desire their eternal welfare / published for a general good, but more especially for those that are exposed to the danger of the seas by William Balmford, a well-wisher to seamen's eternal welfare and recommended to the Christian reader by J.F. ; to which is prefixt a preface by Benj. Keach, the author of War with the Devil.