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PROPORTIONING TEMPERATURE
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Wheelco P O T E N T I O - T R O L
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" R a d i o P r i n c i p l e " Controller Proportioning Control, incorp o r a t e d i n o n e o£ t h e famous Wheelco "Radio Principle" Potent i o m e t e r , P y r o m e t e r , or T h e r m o m eter Controllers, s h o w n at right, gives y o u t h e closest t e m p e r a t u r e c o n t r o l p o s s i b l e w i t h a n y of t h e s e t y p e s of i n s t r u m e n t s , r e g a r d l e s s of price. W h e e l c o P r o p o r t i o n i n g C o n t r o l is a n electrical device w h i c h provides c o n t i n u o u s l y v a r i a b l e fuel i n p u t t o m a i n t a i n constant t e m p e r a t u r e . It e l i m i n a t e s t h e c o m p l i c a t e d a n d expensive balancing equipment usua l l y r e q u i r e d for " h a i r - l i n e " c o n trol.
— is the u l t i m a t e in t e m p e r a t u r e cont r o l — c o m b i n i n g the unexcelled sensit i v i t y o£ t h e " R a d i o P r i n c i p l e " C o n t r o l System, with t h e t i m e - p r o v e d a c c u r a c y of t h e p o t e n t i o m e t r i c m e t h o d of t e m perature measurement. Request Bull e t i n A2. for c o m p l e t e d e t a i l s .
