Color-light Signal
 

Color-light Signal. The main form of signal in which messages are portrayed by one or more colored lights with an agreed-upon meaning. There are two forms: multi-lens in which one lens and lamp unit is available for each color, and the searchlight form whose housing contains all lenses which are rotated into position as required.

Admin добавил 09.02.2012 в 15:52
Вы можете дополнить или изменить данную статью, нажав кнопку Редактор