188 



THE BELL SYSTEM TECHNICAL JOURNAL, JANUARY 1951 



Fig. 11 — Potting assciiil)l> lo.s I' i; i \ |,r hjadinj^' units in large welded steel case. As- 

 sembly ready for lowering into casing. Half of loading units are on far side of assembly 

 frame, not visible in picture. The large number of loading coils makes necessary the use 

 of 2 stub cables. 



