105.— Evaporator stack of W. H. Bush, with Culver-Cassidy fittings. Diagram A looks at the 

 back (O Y S) and inside of the front (T E W Y) of the stack. B shows front-view section. 

 C is the head-block (L H C O in diagram A). D is cross-section of head-block. Fully [described 

 on pa ges 536 to 541, 



