Tubes & Computers of Olden Days
ray at arachelian.com
Sat Feb 20 11:42:36 CST 2010
Roger Holmes wrote:
> To say it is running again is a little bit misleading. A huge amount of work was done by my fellow members of the Computer Conservation Society, including some of the people who designed Colossus in the first place and it is great to have it but Winston Churchill had the Colossi(?) broken up into small bits and so this is a replica, an extraordinarily correct replica but a replica all the same, therefore it is now running, not running again.
> Apparently they had less problems getting the difficult bits working as the plans had been released from UK government archives, than the off the shelf 'commercial' items, plans of which had long since been lost except for the odd hoarder like me and probably you. Also thing like switches were available off the shelf, with a high priority job they had first call on things and selected Spitfire fighter switches which were then being produced in good quantities and good quality.
I recently saw this tidbit:
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