The National Lighting Bureau recently announced 11 of its publications are now available as free, downloadable PDFs. Some of the free publications are Getting the Most from Your Lighting Dollar, Guide to Industrial Lighting, Lighting for Safety and Security, and Performing a Lighting System Audit. The manuals include how-to information and case studies.
Hard copies of the publications are still available for about $20 each, with delivery.
For a complete list of free publications, visit at http://www.nlb.org/pubs/.