[ARC5] Tuning Knob

[MICHAEL BITTNER]

I picked up this Cardwell var cap at the TRW swap meet yesterday.  Note all the Brass-on-Aluminum faying surfaces.  No signs of corrosion on this decades old component.  So how does Cardwell get away with what "no chemist or physicist would do"?  Mike, W6MAB

> On October 31, 2021 at 9:54 PM Michael Hanz <aaf-radio-1 at aafradio.org> wrote:
> 
> 
> Agree.  Nicely made, but....
> 
> On 10/31/2021 9:33 PM, Brian Clarke wrote:
> > No chemist / physicist would put brass and aluminium together; hence, not a
> > production item.
> > So, probably after market, home made. Possibly a once-off.
> > 73 de Brian, VK2GCE
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