Consisting of Recreations of Divers Kinds, Viz. Numerical, Geometrical, Mechanical, Statical, Astronomical, Horometrical, Cryptographical, Magnetical, Automatical, Chymical, and Historical : Published to Recreate Ingenious Spirits, and to Induce Them to Make Further Scrutiny Into These (and the Like) Sublime Sciences, and to Divert Them from Following Such Vices, to which Youth (in this Age) are So Much Inclin'd