CONTENTS. 



CHAPTER, IV. 



WIND INSTRUMENTS. 



PAGE 



I. Instruments with Flute Mouthpieces The Flageolet, Flute, and 



Fife 168 



II. Wind Instruments with Reeds The Clarionet, Hautboy, and 



Bassoon 171 



III. Wind Instruments with Bell-shaped or Horn Mouthpieces .... 174 



IV. Bagpipes 178 



CHAPTER V. 



THE ORGAN. 



I. Historical Outline. Pipes and Stops of the Organ 181 



II. Mechanism of the Organ Bellows, Reservoirs, and Wind-Chest 

 Sound-Board and Table Claviers, Key-Movement, Draw-Stops, 

 Pedals Combination-Pedals, Couplers, Swell-Box, &c 185 



BOOK III. 



APPLICATIONS OF THE PHENOMENA AND THE 

 LAWS OF LIGHT. 



CHAPTER I, 



MIRRORS AND REFLECTING INSTRUMENTS, 



I. Mirrors of Polished Metal Silvered Mirrors Reflectors . . . . 201 



II. The Sextant 206 



III. Goniometers 209 



IV. The Heliostat and Siderostat 212 



S V. The Siderostat . 216 



