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Enter one or more keywords to search for using the Zoom Search Engine.
The single character wildcard ? used as ?CC84 will find ECC84, PCC84 and UCC84
The many character wildcard * used as ECC* will find ECC81, ECC82, ECC83 and/or ECC32 etc.
Database keyword terms are all searchable but require hyphens in place of space or . to distinguish from plain text words
eg for triode pentode valves use triode-pentode and for 4.0V heater use 4-0V
For combination searches, enter keywords separated by a space and select match all search words.
eg mullard triode-pentode IO will search for all Mullard triode pentodes with an International Octal base.
Click here for keyword list.
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Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact New American Screen-Grid Valves Wireless World, Ap...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Physical Society's Exhibition 1947 Wireless World,...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Cathode-Ray Tuning Indicator Wireless World, Octob...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Keeping Voltages Steady Mullard Outlook, January, ...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact New German Valves 'Scrutineer', Wireless World Sep...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact New Detector Valve Wireless World, May 11, 1932. E...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Delayed Diode AVC W T Cocking, Wireless World, Sep...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Valves at the 1953 Show. Wireless World, October, ...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Linear Saw-Tooth Oscillator W T Cocking MIEE, Wire...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Understanding Audio W G Morley, The Radio Construc...
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Type Finder
Need to identify an unknown valve? click here for details.
Type Finder is only available to Museum Friends.
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