| The plotting room equipment. March 2002 |
| Detail of the plotting room equipment. |
| Looking up the data shaft, these sprockets would have been linked to those in the plotting room by a set of chains. |
| There was a 'T' junction in the data system out side the #2 hoist room, here the signal was split and sent to both guns. March 2002 |
| The #2 end of the system. |
|
| Detail of the plotting room equipment. |
| The data shaft comes out in the ceiling of the #2 hoist room. March 2002 |
| Recess at the #1 end of the system |
| The other side of the #2 end. from here the data would have been sent up to the level of the loading platform and displayed for the gun crew. March 2002 |
|