... (Morgan 195 8), (Cornbleet, 197 6), (Basset & Derrick, 197 8), (Burkhard & Shealy, 197 5), (Hinterberger & Winston, 196 8a), (Rabl 197 6a, 197 6b, 197 6c), (Rabl & Winston, 197 6), provide ... ( 199 9), Laboratory Manual on Solar Thermal Experiments., Narosa, New Delhi, ISBN 81-73 19- 340-1 Grant, I.S., and Phillips, W.R., ( 197 8). Electromagnetism, John Wiley and Sons, ISBN 0 471 99 707 ... from Garg and Kandpal, 199 9). Some Techniques in Configurational Geometry as Applied to Solar Collectors and Concentrators 371 where 1R is the base radius,1H the vertical height and 22111RH...