"Fig" wrote in message newsp.tiz9qurwm4iaeb@dell...
On Tue, 14 Nov 2006 11:54:39 -0000, MaxB wrote:

Why does the signal at the country end of the down Central Line at
Stratford
have Red, WHITE and Green aspects? It wasn't just a faded yellow!

Possibly a tripcock tester?
http://www.trainweb.org/tubeprune/Si...os.htm#Fig%203

The tester is usualy next to the track 3/4 of the way along the platform,
with the white light next to the starting signal.

--
Fig
It may be worth pointing out that there are no tripcocks on the central line
(or the vic line).
Andy