CONTENTS. 



PART I. 



CHAP-TEE LAWS AND PROPERTIES OF MATTER. P AS 



I. "What we Know of Matter, and How we Know It . 3 



II. Attraction . . 11 



III. Weight . 19 



IV. Motion 22 



PART II. 



APPLICATION OP THE LAWS AND PROPERTIES OP MATTER 

 TO THE ARTS. 



I. How we apply Power 31 



II. Strength of Materials 36 



III. Application of Materials for Architectural and Structural 



Purposes 38 



IV. Principles of Architecture 41 



PART III. 



THE LAWS AND PHENOMENA OF FLUIDS. 



I. "Water in Motion and at Rest 49 



II. Specific Gravity . . 62 



III. Capillary Attraction 65 



IV. The General Properties of Gaseous and Aeriform Bodies 67 

 V. The Atmosphere 69 



VI. Atmospherical Phenomena 74 



VII. The Pump and Barometer 97 



VIII. Peculiarities of Climates 104 



