BELL No. 66A


500 ohm plus 400 ohm Non Inductive coil.

Single stroke for use on Test Desks.

Includes Bell No 56C (modified) and Resistor Coil No 9 (400 ohm) on wooden base.

Replaces ‘Sounder 900 ohm’ on Test desks only.


 

 
 
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Last revised: January 18, 2016

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