British Airships, Past, Present, and Future
Chapter 3
NAVAL AIRSHIPS: THE RIGIDS RIGID AIRSHIP NO. 1 RIGID AIRSHIP NO. 9 RIGID AIRSHIP NO. 23 CLASS RIGID AIRSHIP NO. 23 X CLASS RIGID AIRSHIP NO. 31 CLASS RIGID AIRSHIP NO. 33 CLASS
British Airships, Past, Present, and Future
NAVAL AIRSHIPS: THE RIGIDS RIGID AIRSHIP NO. 1 RIGID AIRSHIP NO. 9 RIGID AIRSHIP NO. 23 CLASS RIGID AIRSHIP NO. 23 X CLASS RIGID AIRSHIP NO. 31 CLASS RIGID AIRSHIP NO. 33 CLASS