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Retired Dormant Member
Join Date: Sep 2012
Location: East Preston, West Sussex, UK.
Posts: 27
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Re: Mullard Valve Tester Card Project
The card 227 mystery has been solved, I have found it in one of my Mullard Test Card Index 5th Edition to be used for the Cossor 215P valve
In the front of this book it states that the following numbers have not and will not be allocated to standard cards
95, 98, 120, 128, 141, 165, 171, 172, 173, 175, 176, 198, 204, 216, 220, 226, 229, 231, 239, 247, 254, 260, 266, 275, 276, 281, 287, 289, 303, 305, 322, 324, 326, 330, 441, 448, 459, 481, 482, 483, 500, 503, 537, 538, 539, 540, 544, 545, 551, 556, 559, 564, 585, 588
So if any of the missing or no issue cards aren't on this list they may be in this booklet...
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