The parent's and guardian's directory, and the youth's guide, in the choice of a profession or trade. Containing I. An Essay on the Education of the Tradesman and Mechanic. II. The Qualifications necessary for those designed for the Three Learned Professions. III. An Account of the several Trades and Mechanic Arts, digested in alphabetical Order: In which the Businesses omitted by other Authors are here inserted; the Qualifications necessary for each Trade are explained; the Sums given with Apprentices; the Wages of Journeymen; and the Sums required to set up Masters, are exhibited. IV. Advice to an Apprentice on his Behaviour while subject to his Master. By Joseph Collyer, Esq;