BS 1376:1974

Specification for colours of light signals|Indicator lights, Colour, Colorimetric characteristics, Filters (optical), Chromaticity, Transmittance, Environmental testing, Heating tests, Inspection, Visual signals, Signal devices, Aircraft lights, Aeronautical ground lights, Traffic lights, Lighthouses, Marine signalling devices, Buoys, Vehicle lights Click the banner to get it at ONLY: GBP190.00