Gale's cabinet of knowledge [electronic resource] : or, miscellaneous recreations. Containing moral and philosophical essays, Propositions, Natural and Metaphysical Maxims, And Observations on select subjects of general Utility. With a series of easy, entertaining, and interesting, mechanical, magnetical, & magical experiments. Including the most celebrated card deceptions ever exhibited. Together with about seven hundred serious, comical, and humorous Queries, Paradoxes, &c. &c. with pertinent and Ingenious answers. Being the Essence taken from The Lady's, Gentleman's, & Carnan's Diaries-Martin's Philosophical Magazines-Ozanam & Hooper's Recreations, &c. &c. (illustrated with Copper-Plate Engravings). To which are added a great number of Originals. Likewise, An Appendix; containing various propositions tending to prove Light and Heat two distinct beings. With some curious Definitions in optics. .