looking for an old IBM knob from a 609 calculator panel

[William Donzelli]

I think that is an IBM specific knob. I will keep an eye out for one,
but do not hold your breath! It is certainly not a common knob.

Is it for a 1/4 inch shaft?

--
Will

On Mon, May 27, 2019 at 11:41 PM Bob Rosenbloom via cctalk
<cctalk at classiccmp.org> wrote:
>
> A long shot I know, but I'm looking for an IBM knob that's missing from
> a 609 calculator panel I have.
> Photos can be seen here:
>
> http://dvq.com/ibm/ibm-609-pnl1.JPG
> http://dvq.com/ibm/ibm-609-pnl4.JPG
> http://dvq.com/ibm/ibm-609-pnl5.JPG
>
> I have no idea if the knob was made by IBM or was a common knob of the
> times.
>
> Thanks,
>
> Bob
>
> --
> Vintage computers and electronics
> www.dvq.com
> www.tekmuseum.com
> www.decmuseum.org
>