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Added NR55 to the VR109 page Posted on Monday 27th July, 2015

Added an NR55 triode to the VR109 page. This valve is unusual in that there is evidence it had a sprayed shield which has been almost completely removed. It carries the ┬áNR55 marking and nothing else on the glass, and the serial number 9505. The EVS data for the equivalent CV1109 indicates the valve is … Continue reading Added NR55 to the VR109 page »

New exhibits added Monday 27th July, 2015
Stats: 2331 valves in the collection, 1891 on the website

Diode -- Triode -- Tetrode -- Beam tetrode -- Pentode -- Hexode -- Heptode -- Octode -- Nonode
Voltage regulator -- Current regulator -- Other valve -- Voltage reference
Thyratron -- Ignitron -- Cathode ray tube -- Camera tube -- Image converter -- Photocell
Photomultiplier -- Tuning indicator -- Display/Indicator -- Counter / selector
Magnetron -- Klystron -- Travelling wave tube -- Backward wave oscillator
Heil tube -- TR cell -- Other microwave -- Trigatron -- Trigger tube/spark gap
Surge arrester -- Relay / switch -- Noise diodes and sources -- Gauge -- Sensor
Light source -- Glow modulator -- Strobotron -- GM tube -- Semiconductor diode
Transistor -- Other solid state -- Other device -- Awaiting classification

Valves I need information on

Info/Displays/Donations/Sponsorship - see the About section.


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Valves wanted (see list of wants)
TCA Schrader Award 2003

Any other collectors out there? Let me know! E-mail jeremy 'at'
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List of all valves (to help the search engines find them!)


I am still trimming the collection down, retaining mostly CV and British military types and some sequences (for example 1Bxx). The more interesting ones which are being disposed of are placed on Please let me know if you spot something of interest.


Latest additions

27/07/15 Added NR55 to the VR109 page
26/07/15 Added CV2457 corona stabiliser
18/07/15 Added CV386 subminiature pentode
14/07/15 Added BX2012, BX2013 and CV2390
27/06/15 Added 3 valves and a bunch of semiconductors
18/06/15 Added CV5035 CRT
15/06/15 Added CV1345
11/06/15 Added 13 CV semiconductors
10/06/15 Added ARTP2, CV2137 and VCRX399
08/06/15 Added ACR1 and VCR530 CRTs
06/06/15 New exhibits added
04/06/15 E947, E2178 and E2548 added
23/05/15 4 new exhibits
20/05/15 CV2729 and CV9785 added
18/05/15 CV99A added
07/05/15 CV1173 added
07/05/15 Three B8A valves added
01/05/15 Added CV2184 CRT
15/04/15 CV5333 pulse modulator tetrode