[HBR] Dials (was 'HBR 16')

[David Newman]

Walt,


OK.  I shall do just that, maybe get two.  I think dail reduction with 
National Dial would be good for VFO.  All tubes, of course.



David




Walt Hutchens wrote:
> David wondered:
>   
>> Are these the Jackson verniers, dual reduction ball drive, that you
>> mentioned?   Did you mean they work with National Dial, or Millen Dial?
>>     
>
> http://www.surplussales.com/ShaftHardware/JacksonBro.html
>
> Yep, that's them.  You can find them more cheaply in other places,
> when you can find them.  But making stuff like this is classic 'buggy
> whip' industry -- there's unlikely to be more than one supplier and
> when he goes down for any reason, it's over.  If you haven't got one,
> this is a good 'lay away' item for future projects.
>
> Most of the National and Millen dials are compatible, I think --
> others here are more expert than I, but I think that most are just
> frames with a drive like this set in the middle.
>
> Walt
> KJ4KV
>
>
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>  
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