I combine shipping where possible to save money for you....WE SHIP IN ONE DAY DURING THE WORK WEEK! CHECK OUR FEEDBACK, BID WITH CONFIDENCE.

I am pleased to offer here on Ebay one at a time, a rare WESTERN ELECTRIC / Tech Labs 600/600 attenuator; BH Circuit; Model CHA-500-C / 7935....six available.....buying one at a time. Very hard to find. These are marked Tech Labs, which was a Western Electric company at one time. 

Satisfaction guaranteed.