Key:

1. Aerial selector switch
2. Fire extinguisher
3. Terminal block
4. Londex relay
5. Transmitter, Type T.1154M
6. Resistance unit, Type 52A
7. I/C key box
8. Receiver, Type R.1155B
9. Morse key
10. I/C Amplifier (operational)
11. Power unit, Type 33
12. I/C sockets
13. Power unit, Type 173 (operational I/C)
14. Signaller's seat
15. Power unit, Type 35A
16. Battery stowage (operational I/C)
17. Operational I/C power switch
18. Oxygen flowmeter
19. Panel, Type 192 (operational I/C)
20. Junction box No.1 (operational I/C)
21. Head cushion
22. Anglepoise lamp
23. Clock
24. Ammeter