Some notes on street lighting

This paper, after discussing the criterion of street lighting effectiveness, presents comments upon certain of the variables of street lighting. Test data are presented upon certain sizes and types of incandescent lamps for street lighting. An attempt is made to indicate something of the present status of street lighting, including the presentation of a selected list of modern lamp posts and lighting equipments. The paper concludes with data to show the character of installations now recommended by experts for the lighting of various classes of streets, and the advance in recent years in ideas of desirable levels of street illumination.