Replacement tube for IBM 026 Printing Card Punch

From: Hans B Pufal <hansp_at_aconit.org>
Date: Wed Jun 5 08:39:06 2002

Tothwolf wrote:
> On Tue, 4 Jun 2002, Sellam Ismail wrote:
>
>
>>So I'm off to look for a 25L6 tube for my IBM 026. John Lawson says
>>that the tube is a 25L6 because all the other tubes in the rack are
>>25L6 types and he believes they are hammer drivers. Not to doubt the
>>venerable Mr. Lawson, since he did used to service these, but I just
>>want to make sure this is in fact the right tube type that goes into
>>the socket that is currently empty. See photo here:
>
>
> I'm fairly certain it does use a 25L6. According to all the information I
> found online, IBM often used them in groups of 6 for counter/multiplier or
> driver applications. Without seeing prints, there is no way for me to know
> if they used them as drivers or counters, but either way, I doubt the
> punch will work very well with a missing tube.

Well we have an 026 at ACONIT, I was there today but othe errands got in
the way of checking it out, my next visit is scheduled for Friday and I
will try and remember.

   -- hbp
Received on Wed Jun 05 2002 - 08:39:06 BST