Introduction, F C Treble. Photovoltaic and solar radiation, A A M Sayigh. The crystalline silicon solar cell, F C Treble. Crystalline silicon photovoltaic modules, F C Treble. Flat-plate arrays, F C Treble. Performance measurement, F C Treble. Photovoltaic systems, F C Treble. Polycrystalline solar cells, R Hill. Long term prospects of photovoltaics, C Chambouleyron. Battery storage for photovoltaic applications, A O Nilsson. Nickel cadmium pocket plate batteries in photovoltaic applications, A O Nilsson. Photovoltaic concentration, A Luque. Recent developments in single and polycrystalline silicon cells, W Schmidt. Pilot and demonstration projects, F C Treble.