A new and easie method to the art of dyalling : containing, first, all horizontal dyals, all upright dyals, reflecting dyals, dyals without centres, nocturnal dyals, upright declining dyals, without knowing the declination of the plane : secondly, the most natural and easie way of describing the curve-lines of the suns declination of any plane : to which is added, an arithmetical treatise of the combinations, elections, permutations and composition of quantities, illustrated by several examples, with a new speculation of the differences of the powers of numbers /