CONTENTS 



. PART I 



CHAPTER PAGE 



Introduction i 



I. Definitions and Mechanical Principles 8 



II. Transmission of Power 28 



III. Materials and the Strength of Materials .... 43 



IV. Tillage Machinery 51 



V. Tillage Machinery (Continued) 78 



VI. Seeding Machinery 102 



VII. Harvesting Machinery 136 



VIII. Haying Machinery 162 



IX. Manure Spreaders 191 



X. Threshing Machinery 203 



XL Corn Machinery 221 



XII. Feed Mills 234 



XIII. Wagons, Buggies, and Sleds 241 



XIV. Pumping Machinery 258 



XV. The Value and Care of Farm Machinery .... 277 



PART II 



CHAPTER PAGE 



Introduction 281 



XVI. Animal Motors 284 



XVII. Windmills 298 



XVIII. Steam Boilers 3*7 



XIX. Steam Engines 361 



XX. Gas, Oil, and Alcohol Engines . 401 



XXI. Traction Engines 436 



XXII. Electrical Machinery 460 



XXIII. The Farm Shop 499 



