On that day, the machine displayed the sun symbol and a green light for good air quality, and indicated a temperature of 82 degrees.
He therefore displayed a red light to the signalman at Longniddry box as he passed.
A two story brick structure, it displayed a fixed light provided by a fourth order Fresnel lens.
Both signals display a light at night, which means that the 'danger' indication appears as red over yellow.
These signals display either a white or a red light.
It displays a single red light by night.
The light, however, continues in service, displaying a fixed green light.
In this case the Starting arm can be placed at Stop and display a red light.
It displays a white light which occults once every 4 seconds.
Point Retreat was first lit in 1904 and displayed a fixed white light.
