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General Vintage Technology Discussions For general discussions about vintage radio and other vintage electronics etc. |
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20th Jul 2021, 10:01 pm | #1 |
Octode
Join Date: Jun 2013
Location: Huddersfield, West Yorkshire, UK.
Posts: 1,782
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The Mullard Story
Hi peeps..... maybe I am late to the party...... I usually am...but just seen the Mullard Story on U Tube..... it was a link from Watford Valve web site.
I wonder how many of the thousands of people that worked at Blackburn and other sites, are gainfully employed in valve making... I guess "0". It is testament to the ingenuity of the engineers that made all that mechanical hardware.......... where is it now ?? probably melted down to make cars. I will not post the link .. but if you go to the Watford valve co website its easily found. Sad isnt it.... all those skills .. lost.
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Should get out more. Regards Wendy G8BZY |
20th Jul 2021, 10:34 pm | #2 |
Dekatron
Join Date: Sep 2007
Location: Oxfordshire, UK.
Posts: 4,310
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Re: The Mullard Story
I'm not sure where the Mullard equipment went (Philips had connections in eastern Europe I believe) but machinery from M-OV was eventually sold to China (explains the look of the current Shuguang KT66s) and the new Brimar operation is refurbishing kit right now
https://brimaruk.com/menugbvp/great-...lve-project-2/ Cheers, GJ
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21st Jul 2021, 12:15 am | #3 | |
Octode
Join Date: Jul 2004
Location: Evesham, Worcestershire, UK.
Posts: 1,415
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Re: The Mullard Story
Quote:
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Picture, sound?, DOOR. Last edited by greg_simons; 21st Jul 2021 at 12:16 am. Reason: spelling error |
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22nd Jul 2021, 5:10 am | #4 |
Diode
Join Date: Jul 2021
Location: Melbourne, Victoria, Australia.
Posts: 7
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Re: The Mullard Story
Loved the film; just amazing to see all the beautiful engineering.
My first job was at Philips Hendon works in Adelaide. They made most of the valve and CRT components from mostly imported materials. I especially remember the mica dies and the guys that worked on this tooling. Many of the employees were Dutch refugees from Indonesia after the Dutch got kicked out. I did work on a small problem with the 6DJ8 twin triode that had poor amplification in the Philips turret tuner. The problem was put down to a batch of dodgy cathodes which were imported. Was nice to see the Austin A30 in the car-park; and the "inspectoress"!! One question which I would like answered was; "which company built the first cavity magnetron". To me this was 'obviously built in a factory that made transmitter tubes'. There is a comment here too about BRIMAR. I thought they were part of STC, who made undersea telecommunications cable and high quality undersea repeaters. I did visit STC in Woolwich in 1971. I guess by now it is all covered in houses. A bit like OZ actually; just buy cheap from China and cover the landscape with dog boxes. prumpfy |
22nd Jul 2021, 11:29 am | #5 | |
Dekatron
Join Date: Nov 2010
Location: Oxford, UK.
Posts: 4,941
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Re: The Mullard Story
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Craig |
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22nd Jul 2021, 12:14 pm | #6 | ||
Octode
Join Date: Jan 2007
Location: Dorridge, West Midlands, UK.
Posts: 1,475
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Re: The Mullard Story
Quote:
I little bit of History here https://www.musicproductionglossary.com/ei-tube/
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Chris Wood BVWS Member |
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22nd Jul 2021, 3:27 pm | #7 |
Octode
Join Date: Jun 2013
Location: Huddersfield, West Yorkshire, UK.
Posts: 1,782
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Re: The Mullard Story
Interesting connection with the "former Yugoslavia". I used to visit a TV factory in Slovenia, in Velenje. Ostensibly the factory site had two production areas... Fridges by "Gorenge" and TV's by Elektronica. Tito, the former president of Yugoslavia wanted to be non reliant on the Ruskies, there were lots of factories dotted all over. I guess the valve equipment was part of that.
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Should get out more. Regards Wendy G8BZY |
22nd Jul 2021, 3:37 pm | #8 |
Octode
Join Date: May 2003
Location: Belper Derbyshire
Posts: 1,910
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Re: The Mullard Story
I think the first company to produce the cavity magnetron was GEC labs in Wembley. Mullard were not allowed it as they were linked in with Philips which was a foreign company.
I think GEC set up their valve and tube production line (including magnetrons and radar CRT,s) in an abandoned cotton spinning mill in Yorkshire as it was a much safer area than London Christopher Capener
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22nd Jul 2021, 4:46 pm | #9 | |
Octode
Join Date: Dec 2018
Location: Llandeilo, West Wales, UK.
Posts: 1,092
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Re: The Mullard Story
Quote:
There are a couple of YT videos of the Ei Nis factory production https://www.youtube.com/watch?v=hUSo...el=tubetownnet https://www.youtube.com/watch?v=fxXr...el=tubetownnet They used both Telefunken and Philips (Mullard) machines for production and there used to be a German site with internal factory photos of the dilapidation and machines. I cannot find them today? The factory was still there a couple of years ago and you can drive round the outside on Google Earth here: https://www.google.com/maps/@43.3057...7i13312!8i6656 The Brimar (GBVP) machines did indeed come from the Nis factory, it was discussed over on diyAudio a while back: https://www.diyaudio.com/forums/tube...ml#post5662761 Alan
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22nd Jul 2021, 4:51 pm | #10 |
Octode
Join Date: Dec 2018
Location: Llandeilo, West Wales, UK.
Posts: 1,092
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Re: The Mullard Story
Found an English version of the Nis factory internal photos here: http://www.jacmusic.com/techcorner/A.../EI-index.html
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