looking for an old IBM knob from a 609 calculator panel

dwight dkelvey at hotmail.com
Tue May 28 09:45:22 CDT 2019

I've never seen one exactly like that before either. You might want to make a mold and create one that way.

From: cctalk <cctalk-bounces at classiccmp.org> on behalf of William Donzelli via cctalk <cctalk at classiccmp.org>
Sent: Tuesday, May 28, 2019 6:42 AM
To: Bob Rosenbloom; General Discussion: On-Topic and Off-Topic Posts
Subject: Re: looking for an old IBM knob from a 609 calculator panel

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?


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<http://www.dvq.com>
> www.tekmuseum.com<http://www.tekmuseum.com>
> www.decmuseum.org<http://www.decmuseum.org>

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