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#1
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1,500 vacuum tubes for the first electronic computer.
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 --- |
#2
Posted to rec.audio.tubes
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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 --- |
#3
Posted to rec.audio.tubes
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1,500 vacuum tubes for the first electronic computer.
On Mar 25, 8:58*am, 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 --- Outstanding!!! I have to visit before my filament burns out! BTW, what were the tubes used in Colossus...? I thought I recognized an EF37A, a red one with a top cap. There were some others looking suspiciously like some 6F6's I have. Cheers, Roger |
#4
Posted to rec.audio.tubes
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1,500 vacuum tubes for the first electronic computer.
Alejandro Lieber wrote:
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 ? These were the valves used in the Colossus: http://lieber.com.ar/Colossus Valves.jpg and this is the GTIC tyratron (gas filled relay) data: http://lieber.com.ar/Marconi GTIC.png -- Alejandro Lieber LU1FCR Rosario Argentina Real-Time F2-Layer Critical Frequency Map: http://1fcr.com.ar --- Posted via news://freenews.netfront.net/ - Complaints to --- |
#5
Posted to rec.audio.tubes
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1,500 vacuum tubes for the first electronic computer.
Roger Jones wrote:
On Mar 25, 8:58 am, Alejandro 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 --- Outstanding!!! I have to visit before my filament burns out! BTW, what were the tubes used in Colossus...? I thought I recognized an EF37A, a red one with a top cap. There were some others looking suspiciously like some 6F6's I have. Cheers, Roger These were the valves used in the Colossus: http://lieber.com.ar/ColossusValves.jpg and this is the GTIC tyratron (gas filled relay) data: http://lieber.com.ar/MarconiGTIC.png -- Alejandro Lieber LU1FCR Rosario Argentina Real-Time F2-Layer Critical Frequency Map: http://1fcr.com.ar --- Posted via news://freenews.netfront.net/ - Complaints to --- |
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