OT : old US Telephone hybrid ('Network' block)

Chuck Guzis cclist at sydex.com
Tue Mar 29 16:12:38 CDT 2011

On 29 Mar 2011 at 21:36, Tony Duell wrote:

> Has anyone ever repaired such a Network block and knows how to shift
> this stuff?

No, but it sounds like plain old pitch.  It's still used (I get brass 
instrument leadpipes pre-filled with the stuff for kink-less 

Apply heat, but not too aggressively--if it catches fire, the smoke 
is really nasty.  A heat gun on a low setting might do the trick.


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