<p>This book is one - the first - of the series of Handbooks on industrial subjects being published by the Popular Mechanics Company.<br><br>Like Popular Mechanics Magazine, and like the other books in this series, it is "written so you can understand it."<br><br>The purpose of Popular Mechanics Handbooks is to supply a growing demand for high-class, up-to-date and accurate text-books, suitable for home study as well as for class use, on all mech...