■T^'-T — ^ — r 



Fig. IG. Evaporater stack with Ciilver-Cassidy 

 fittings. The diagram looks at the back (o Y s) 

 and inside of the front (t e w y) of the stack. 









-LC^.J.c/- 



> 



Fig. 17. Shows a front view section. 

 C is the head-block (l H c o) in Fig. 

 16.) D is cross-section of head-block. 

 See pages 89-92. 



