The gentleman and lady's palladium for the year of Our Lord 1750. [electronic resource] : Containing new n̆igmas, queries, fables, tales, rebus's, epigrams, allusions, and eiptaphs; new arichmetical and mathematical questions and paradoxes, proposed in several branches of science. Also, answers to the last year's n̆igmas, questions, queries, and paradoxes; a moral euclid, and improvements on Dr. Halley's astronomical tables, lately published. Of general use and entertainment; more especially for the instruction of youth. To which is added, A royal diary, or Ephemeris, with wonderful perdictions of furture events. By the Author of The ladies diary.