1182 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1954 



0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ' 6.0 



RADIUS ^ 



04) 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 I 6.0 



RADIUS *() 



Fig. 9(g), top, and (h), bottom — See Fig. 9. 



