[R-390] Repairing mechanical filters

[Tim Shoppa]

G80AD writes:

> Since this is a long winded story which needed pictures I have put a
> draft copy of an account of my experiences on:

 http://www.delphelectronics.co.uk/filter390a/ 

> I would welcome your comments and suggestions for improvements. Think
> of this as a work in progress.

Remarkable Graham! The wonderful pictures and details of how to do each
step have just given me the courage to give this a try-out on a 4kc filter
that's got an open coil and several others I have that are leaky. Thank
you, Thank you, Thank you! 

Tim N3QE.