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, and magical experiments: including the most celebrated card deceptions ever exhibited. Together with about Seven Hundred Serious, Comic, and Humorous Queries, Paradoxes, &c. &c. with pertinent and ingenious answers, comprising the essence of The Lady's, Gentleman's, and Carnan's Diaries,-Martin's Philosophical Magazines,-Ozanam and Hooper's Recreations, &c. &c. (illustrated with copper-plate engravings.) To which is 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.