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Forum 141

Workshop How to Make a Cossor WR1 Replica

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peterscott
(@peterscott)
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Those of you who have seen glasslinger's works previously can probably skip this. I hadn't seen this one before.

http://www.r-type.org/exhib/aaj0053.htm

I think it's just amazing!

Peter

www.nostalgiatech.co.uk

 
Posted : 26/07/2022 3:04 pm
Sundog, Sundog and Sundog reacted
Sundog
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While his skills are remarkable and admirable, it shows how primitive valves of that time were. Consider how far they came to deploy the μm tolerances that enable frame-grid RF valves' performance.

 
Posted : 29/07/2022 3:21 pm
sideband
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Is there any more to the video where he actually tests the valve? Amazing work along the lines of the Frenchman who also makes valves.

 
Posted : 31/07/2022 4:31 pm
peterscott
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I too wondered if he would demonstrate the performance at the end of his video. 

Peter

www.nostalgiatech.co.uk

 
Posted : 01/08/2022 7:38 am
peterscott
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I can't see a video of testing the Cossor but he does test a Marconi-Round Type C triode in this video.

Peter

www.nostalgiatech.co.uk

 
Posted : 01/08/2022 8:04 am
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