A later photograph of the Push Button Panel circa 1987 which replaced the lever frame. This controlled the Metropolitan and Jubilee lines. Picture is reproduced by kind permission of the Henry Davidson. © Henry Davidson
Wide angle photograph of the right hand end of the lever frame with the track diagram prominently visible to the right of the lever frame. Picture taken summer 2008 I have also found out that John Tilley installed the V Frame
Wide angle photograph of the right hand end of the lever frame manual operating handles which move left to right or vise versa, The electrical switch contacts are above the levers, (wiring is behind the frame electrical switches. Picture taken summer 2008
Wide angle photograph of the left hand end of the lever frame manual operating handles which move left to right or vise versa, The electrical switch contacts are above the levers, (wiring is behind the frame electrical switches. Picture taken summer 2008
Close up detail of the lever frame manual operating handles which move left to right or vise versa, The electrical switch contacts are above the levers, (wiring is behind the frame electrical switches. Picture taken summer 2008
Lever frame from the front, lever one is nearest the camera. these move side to side. The electrical switch contacts are above the levers Picture taken summer 2008
Good wide angle photograph of the rear of the lever frame all the air operated solenoids can be seen adjacent to the floor area. Picture taken summer 2008
Just about as close to the floor as one can get with the air operated roller cams for each lever shaft to move the shaft remotely Picture taken summer 2008
A wide angel photograph of the electrical wiring in green terminating on the electrical contact termination, this is a rear view of the lever frame. Picture taken summer 2008
close up above of the electrical switch contacts, the fist two are in the reverse position, and the third set of switches are in the middle position, that is neither normal or reverse. Picture taken summer 2008
Mechanical locking pictured from the front of the frame, the black vertical sections are the locking covers, one per lever. Picture taken summer 2008
close up of the rear of the V frame operating levers with the electrical contact terminations top of the frame, and the mechanical locking in the lower section of the picture. Picture taken summer 2008
Close up of track diagram in the Interlocking Machine Room Picture taken summer 2008
Diagram for the 1954 re-signalling, I think it came from a Railway Magazine volume 100 issue number 644 (12/1954). I think the two line drawings attached here are drawn in reverse to the track diagram above the lever frame.
Click on either of the two diagrams for a larger image
