Old Tech thread

Double whammy:
IMG_2864.jpeg
 
The tape-reader drive on the Bletchley Park "Colossus" code-breaking computer, circa 1944.

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I remember looking around Bletchley park when the Sealed Knot did a display there once, but I have never been there since it became more organised. I guess it being on my doorstep when I lived in Milton Keynes meant I rather took it for granted and never got around to visiting again.
 
I seem to remember that that tape reader had speed of 600cps. Impressive, considering that in 1966 a machine I worked on had a paper tape reader with the same speed and that the speed was considered at the top of the range for reading tape without damaging it.
 
This is really cool:


I had heard of this but never this much detail.
 

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