A compendium of useful knowledge, [electronic resource] : containing a concise explanation of every thing a young man ought to know, to enable him to converse on all general topics. Addressed to youth of both sexes from fourteen years of age to twenty: Giving a general idea of The World, The Nature and End of man, Arts and Sciences, Trade and Commerce, The Appearances in the Heavens, Natural History, The Government of this Country, Different classes of Men, viz. Nobility, Clergy, Judges, &c. The Army and Navy, The Courts of Law, &c. &c. See the Index. By the Rev. Dr. John Trusler, Author of the principles of politeness, &c. A practical book for the use of schools.