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Valves for sale from the Signals Museum

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Listing
Please use this Index to jump to a different Valve type, or use the Full Listing
1V2.jpg 2051.jpg

20P3.jpg 225DU.jpg
1V2205120D120P3225DU

Be sure to read the page about Testing, Pricing and Shipping

Please be careful not to order more than we have.

20D1
Valve identity: 20D1
Valve type: Double diode

Used available: 1,     Price each: £5.25

Possible equivalents (but please check for yourself).

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[Last updated at 11.05 on Thursday, 12 June 2025, by Colin Hinson. ©2025]