Magnet 

 adjusting nuts 



Interrupter contacts 



Bank adjusting nut 



Detent spring adjustment 

 Brushes 

 '•- ■ Ratchet wheel 



Bani< contacts 



Wipers 



Pawl stop 



Armature stop 

 Figure 34.30 Uniselector 



(By courtesy of J. Atkinson and Sir Isaac Pitman and Sons, Ltd. from Telephony, 1948) 



