MECHANIC'S TEXT-BOOK AND ENGINEER'S PRACTICAL GUIDE: CONTAINING A CONCISE TREATISE ON THE NATURE AND APPLICATION OF MECHANICAL FORCES; ACTION MACHINERY; OF THE STRENGTH, RESISTANCE, AND PRESSURE OF MATERIALS; WITH TABLES OF THE WEIGHT AND COHE- SIVE STRENGTH OF IRON AND OTHER METALS. BY COMPILED AND ARRANGED THOMAS KELT, OF THE "GLOUCESTER CITY MACHINE COMPANY," N. J. TO WHICH IS ADDED, VALUABLE HINTS TO THE YOUNG MECHANIC ON THE CHOICE OF A PROFESSION; MISDIRECTION OF INDUSTRY; STUDIES AND MORALS OF THE MECHANIC, ETC., ETC. BY JOHN FROST, LL. D. BOSTON: PHILLIPS, SAMPSON, AND COMPANY. 1855. KD 32580 HARVARD Entered according to Act of Congress, in the year 1855, BY PHILLIPS, SAMPSON & CO., In the Clerk's Office of the District Court of Massachusetts. Stereotyped by CONTENTS. To form a square equal to a given triangle,.... 18 To form a square equal to a given rectangle, To form a rectangle equal to a given square, |