[Premium-Rx] Collins Filter Information?

[Ray Robinson]

Hi Tracey,

There is a list here.
http://www.wa3key.com/filters.html

Regards
Ray

> Would anyone on the list have any information on or be able to point me to a 
> source of information on the following Collins mechanical filter, which is 
> currently up on that well known auction site.
> 
> Collins Mechanical Filter 75-a3 3 hz f455b-3
>