Farm Machinery: Practical Hints for Handymen, by Chase & Davidson. 280 Pages. Softbound. This classic guide presents the principles of mechanics as well as step-by-step instructions on how to build and repair all types of machinery - with advice practical enough to use on today's modern farms. Beginning with an introduction to the essential building blocks of machinery - horsepower, the lever and the law of mechanics; Farm Machinery then present blueprints, illustrations, and instruction for dozens of machines and their uses, such as the sulky plow, spading harrow, haying machinery, and many more. Also included are hundreds of helpful illustrations, and explanations of the general principles of gearing, frictions, belts, and lubrication. More than just a practical book on the construction of heavy farm equipment, Farm Machinery is a fascinating slice of Americana and captures the birth of an industry that has sustained Americans for nearly a century. $12.95 (BK-0749)