Pneumatic and Electro-pneumatic Actions—Tubular Pneumatics—Division of Organs—Sound Reflection—Octave Couplers and Extensions
[CHAPTER V]
Stop-keys—Control of the Stops
[CHAPTER VI]
Radiating and Concave Pedal Boards—Pedal-stop Control—Suitable Bass Attachments
[CHAPTER VII]
Means of Obtaining Expression—Crescendo Pedal—Sforzando Pedal—Double Touch—Balanced Swell Pedal—Control of Swell by Keys—Swell Boxes—the Sound Trap Joint—Vacuum Swell Shutters
[CHAPTER VIII]
A Revolution in Wind Supply—Springs vs. Weights—Individual Pallets—Heavy Wind Pressures—Mechanical Blowers