Multiple & Series Lighting 4,000 hours burning (includes DSM) 300 watts incandescent 500 watts incandescent 175 watts Mercury Vapour $260.14 250 watts Mercury Vapour $332.21 400 watts Mercury Vapour $488.53 700 watts Mercury Vapour $916.78...
AI summary The text presents a table comparing the costs of various lighting technologies, including incandescent, mercury vapour, fluorescent, and sodium lamps, along with their associated costs per lamp per year. It also introduces a section on Light Emitting Diodes (LEDs), indicating a potential focus on energy-efficient lighting solutions.