Best yardstick for safer streets at night
Recommended practice of street lighting 1940
Double street lighting and avert traffic casualties
Double street lighting and avert traffic casualties
Lighting at Washington National Airport
Life-preserving role of good street lighting
Kleinturbogeneratoren fuer Schiffsbeleuchtung
Planned lighting aids traffic movement
Combined street lighting and traffic control system
Electricity as an aid to road transport
Planning street lighting installation
An authoritative street-lighting code