View Single Post
  #2   Report Post  
Posted to rec.audio.tubes
Alejandro Lieber[_3_] Alejandro Lieber[_3_] is offline
external usenet poster
 
Posts: 15
Default 1,500 vacuum tubes for the first electronic computer.

Alejandro Lieber wrote:
A short film made by Google to celebrate Colossus and those who built
it, in particular Tommy Flowers. Colossus was the world's first
electronic computer, used for code-breaking at Bletchley Park during WW2


http://www.youtube.com/watch?feature...&v=knXWMjIA59c

-
Alejandro Lieber LU1FCR
Rosario Argentina

Real-Time F2-Layer Critical Frequency Map:
http://1fcr.com.ar

--- Posted via news://freenews.netfront.net/ - Complaints to
---


It seams that this was the G.E.C. tube used in Colossus:

http://lieber.com.ar/tube.jpg

Anyone knows what type of tube it was ?

It looks like having 3 or 4 connections.

Could it be a gas filled (on/off) diode ?

--
Alejandro Lieber LU1FCR
Rosario Argentina

Real-Time F2-Layer Critical Frequency Map:
http://1fcr.com.ar

--- Posted via news://freenews.netfront.net/ - Complaints to ---