Micro hydro village lighting system Comparison of total annual costs per household $30 Incandescent bulbs CFLs ... and the system can last 10 years before requiring repairs for a major component (eg. the generator), it has served its purpose.
|Title||:||Solid state lighting and displays|
|Author||:||Ian T. Ferguson|
|Publisher||:||Society of Photo Optical - 2001-12-05|