Eckon/Berko OO B223R Right Offset 2 Aspect Yellow/Green Working Colour Light Distant Signal

Eckon/Berko OO Right Offset 2 Aspect Yellow/Green Working Colour Light Distant Signal B223R
Ready built working model of a 2 aspect colour light distant signal with yellow and green aspects.
This is a standard signal, used as a direct replacement for a semaphore distant signal.
Distant signals gave drivers advance warning of the state of the home or stop signals ahead. Often placed a long way from the signal box on routes where high train speeds were anticipated colour light signals have been used since the 1930s, the powerful beam being visible for a greater distance and the lights did not require the long pull cable to be maintained and adjusted as is needed by mechanically operated signals.