In article ,
(Fossil) wrote:

*Stupid question* Just wondering what they're for, normally one side
has a
load of cables going along with two metal wires at the top and the
other has
big fat cables.

Thanks

Fossil



Tunnel telephone wires & insulators photo temporarily uploaded to:

http://www.romilepa.pwp.blueyonder.c...emptt&cant.PDF

(the pipe below the wires is the air pipe)

together with a close-up photo of the white "cant" notice that often gets
commented on here.

Roger