[GreenKeys] Vacuum Tube Computer

[Martin]

That is a Creed 75 exactly like that sitting next to me (although it 
could well be on a strange code)

I know many of the items used at Harwell at those times included Friden 
flexowriters and IBM readers. I dont know what those shown are though, 
but presumably the original version when built would have used some 
things far more primitive.

Martin

On 01/04/2011 04:14, Steve Ripper wrote:
>
> John:
>
> I recently donated some Dekatron tubes for the restoration of the WITCH
> computer also known as the Harwell Dekatron Computer located in the UK. If
> you look through the photos and the videos in the following links you will
> see some of the tape readers they used to load programs into the WITCH. The
> first of the videos is very short, but at the very beginning there is a
> Teletype of some kind sitting on a table. I have no idea who made the
> Teletype or tape readers. Perhaps you and some of the more knowledgeable
> folks in the group may know.
>
> Here is the link: http://lightrefrain.net/witch/
>


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