Model home signal, box B goods loop

Model home signal, box B goods loop. Located on model railway layout, gauge 1, Lancashire & Yorkshire Railway Signalling School, built 1912, by L&YR.

When the arm is 'off' or raised it incicates trains are clear to pass. When the arm is 'on' this indicates trains must stop at the signal. At night, green and red lights indicate clear or danger to oncomming trains. This example controls Box B goods loop on the inner circle.