Thanks Martyn -
Signal work has continued between Xmas revelings...
The 5 arm is on it's way - my railway room is not big enough to incorporate all those routes, so we have to imagine they are off scene, but the signal has such character, I couldn't leave it out.. I'm working through the multitude of shunt signals.. is there a collective name?
A Boltons bits etch forms the platform for this somewhat unprepossessing bracket that control exit from the platform bay. It replaced ( in the late 50's I think ) a GNR 3 arm bracket signal. It appears to be derived from an LMS design, so contrasts with it's rather more elegant GNR neighbours. So, just another wooden post and the three concrete signals to make...
Then it's back to the electronics to control them - a production line of MERG servo boards on the workbench. Just a few years ago my electronics career started designing and making circuit boards... It's quite therapeutic making up these...