Krishnamuvti 



150 - 



14-5 - 



140 - 



13-5 



30 40 



POSITION (CM) 



Fig. 8. (x,t) photograph at 45 Rg, showing the slow time dependence 

 corresponding to the tilting of the cells. The light beam is 

 near the bottom of the fluid layer. The Prandtl number is 

 57. 



302 



