A mathematical miscellany: in four parts : I. An essay towards the probable solution of the forty-five surprizing paradoxes in Gordon's Geography. II. Fifty-Five new and amazing paradoxes, some in Verse, some in Prose, with their Solutions. III. Answers to the hundred arithmetical problems, left unanswered in Hill's Arithmetick, and Alexander's Algebra. IV. Miscellaneous rules about forming Aenigma's, Questions, the Doctrine of Eclipses, of Pendulums, the Equation of Time, concerning Easter, &c. By a lover of the mathematicks