TL50RRQ,TL50 TOWER LIGHT: 2-COLOR INDICA
TL50RRRAOSI,TOWER LIGHT: 3-COLOR SEALED; OMN
TL50RRRAOSIQ,TOWER LIGHT: 3-COLOR SEALED OMNI
TL50RWGBALSQ,TOWER LIGHT: 4-COLOR SEALED LOUD
TL50RY1Q,TL50 TOWER LIGHT: 2-COLOR INDICA
TL50RYAQ,TOWER LIGHT: 2-COLOR AUDIBLE IND
TL50RYBGALSQ,TL50 TOWER LIGHT: 4-COLOR SEALED
TL50RYBGAOS,TOWER LIGHT: 4-COLOR SEALED; OMN