FAM IMPLEMENTS AND MACHHEY, 



AND THE 



Principles of their Construction and Use : 



WITH 



SIMPLE AND PKAOTIOAL EXPLANATIONS 



OF THE 



LAWS OF MOTION AND FORC£, 



AS APPLIED ON THE FARM. 

 With 287 Illustrations, 



By JOHlSr J. THOMAS. 



—  — • 



CONTENTS. 



PART I.— MECHANICS. 



Chapter I.— Ixtroduction'. — Value of Farm Machinery— Importance of a 

 Knowledge of Mechanical Principles. 



Chapter II.— General Principles of Mechanics. 



Chapter III.— Attraction, 



Chapter IV. — Simple Machines, or Mechanical Powers. 



Chapter V. — Application of Mechanical Principles in the Structure of Im- 

 plements and Machines, 



Chapter VI. —Friction. 



Chapter VII. — Principles of Draught. 



Chapter VIII. — Application of Labor. 



Chapter IX.— Models of Machines. 



Chapter X.— Construction and Use of Farm Implements and Machines — 

 Implements of Tillage, Pulverizers. 



Chapter XI.— Sowing Machines. 



Chapter XII.— Machines for Haying and Harvesting. 



Chapter XIII. —Thrashing, Grinding, and Preparing Products. 



PART II.— MACHINERY IN CONNECTION WITH WATER. 

 Chapter I.— Hydrostatics. ^^ 



Chapter II. — Hydraulics. 



PART III.— MACHINERY IN CONNECTION WITH AIR. 

 Chapter I.— Pressure of Air. 

 Chapter II.— Motion of Air. 



PART IV.— HEAT. 

 Chapter I.— Conducting Power— Expansion, Great Force of— Experiments 

 with— Steam Engine— do. for Farms— Steam Plows— Latent Heat- 

 Green and Dry Wood. 

 Chapter II.— Radiation. 



APPENDIX. 

 Apparatus for Experiments. 

 Discharge of Water through Pipes. 

 Velocity of Water in Pipes. 

 Rule for Discharge of Water. 

 Velocity of Water in Tile Drains. 

 Glossary. 



Trice, Post-paid, $1.50. 



ORANGE JUDD & CO., 



245 Broadway, New-York. 



