73518365
Jan 22, 1985
Jun 25, 1985
MEASUREMENT AND DEMONSTRATION INSTRUMENTATION FOR TEACHING THE BASIC PRINCIPLES OF SOLAR ENERGY THROUGH STRUCTURED OBSERVATIONS, RECORDINGS, AND EXPERIMENTS, COMPRISING A KIT CONTAINING PHOTOVOLTAIC CELLS, A PYRANOMETER, THERMAL PLATES, AN INCLINOMETER, A SUN TUBE, AND CONTROLS
Electrical and Scientific Apparatus