This book is a fabulous reference guide and contains all there is to know about machinery, design, and engineering. There are chapters on parts/tools (wheels, gears, screws, nails, bearings, etc.), working with different skill sets (metalwork, woodwork, gases, electronics, welding, heat-treating, etc.), plus sections which expand on the types of metal and their properties (copper, zinc, brass, bronze, titanium, etc.). Throughout the entirety of the book, everything is explained with the underlying scientific and mathematical concepts that are essential in machine work. This is evidenced by numerous tables of data, diagrams and illustrations, equations and scientific theories, weights and measures, and so much more. This book was published in 1974, and is the fourth printing of the Nineteenth Edition. Written by Erik Oberg and F. D. Jones. Edited by Holbrook L. Horton. Book is in remarkable shape considering its age, with beautifully clean and bright pages. Book features corrugated pag