Apologies if this can be found elsewhere, but I am interested to know what two signs seen at the head end of a platform on the Met depict:
1. "H OFF:
2. "D OFF"
Also, is there any accessible info on similar [non signalling] signage?
Any help will be much appreciated.
Moony
1. "H OFF:
2. "D OFF"
Also, is there any accessible info on similar [non signalling] signage?
Any help will be much appreciated.
Moony