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Roy Johnson, Great Britain (UK) - Tube collection

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ID = 5944
Photo Roy Johnson

Below you find a part of the tube collection Roy Johnson.

Collector of Valves and old Scientific, Test and Radio Equipment. Interests are mostly in British valves.
Result: 91 to 120 from 415
1 2 3 4 5 6 7 8 9 .. 14
 
Sort order:  [ Name | Maker | Year | Type | Country ]

Excerpt from the tube collection of Roy Johnson. These images (tube photos) were uploaded to the respective tubes or valves by Roy Johnson.

click to access the tube page
80 1927
Common type USA tube/semicond. USA
click to access the tube page
624BU
Cossor, A.C.; London GB
click to access the tube page
NGT7
BTH (B.T.H.), British Thomso... GB
click to access the tube page
20P1
Mazda = Valve (Tube) brand G... GB
click to access the tube page
СБМ20
Common type USSR (SU) tube/s... SU
click to access the tube page
BA11481
Telefunken LS50 dated week 49 of 1942. Also has JV and nr. 111184/1042/IV stamped in gold lettering. See LS50 tube page for further picture.
BAL716
click to access the tube page
BAL865
LD5 Telefunken. BAL dated 51/42. Made Nr 113190 dated 37/42.
BAL1641
DC25. Dated 32/44. Wehrmacht Eagle and Wa A.745
BAL1790
DDD25 Dated week 44 of 1942. Week 37 manufacture.
BAL1948
BAL1964 stamped LS30. Dated week 24 of 1944 and Wehrmacht.. Nr100415/0544/4. See LS30 tube for other pictures.
BAL1964
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CV982
GEC, General Electric Co Ltd... GB
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Tuneon-Button
GEC, General Electric Co Ltd... GB
The filament when heated evaporates the mercury condensed on the walls and structure and prepares the valve to conduct.
GU50
MO Valve Co. Ltd.; GB GB
click to access the tube page
GXU6
MO Valve Co. Ltd.; GB GB
click to access the tube page
QMR201
Marconi's Wireless Telegraph... GB
Early RG1-240. This has a 4-pin base rather than the ES. In later manufacture the suffix A indicated a 4-pin base variant. In later types the electrode structure was changed with a larger cathode block.
RG1-240
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
2V/531E
Standard Telephones and Cabl... GB
The A variant with a 4-pin base. Coded 4L3 R4J.
RG1/240A
Mullard Radio Valve Co. Ltd.; GB
Showing the long filament
VU72
Common type Great Britain tu... GB
click to access the tube page
CR2_Ediswan
Ediswan, Siemens Edison Swan... GB
click to access the tube page
CV54
Common type Great Britain tu... GB
click to access the tube page
CV187
Common type Great Britain tu... GB
click to access the tube page
CV371
Common type Great Britain tu... GB
click to access the tube page
CV4071
Ferranti, GB GB
click to access the tube page
R18_Brimar
Brimar (STC); Foots Cray GB
click to access the tube page
RG48
Telefunken Deutschland (TFK)... D
click to access the tube page
RG62
Telefunken Deutschland (TFK)... D
click to access the tube page
U650
Lissen Ltd.; London and Rich... GB
Result: 91 to 120 from 415
1 2 3 4 5 6 7 8 9 .. 14
 

Tube collector page of valve collector Roy Johnson as «own HP at RMorg»
As a member of Radiomuseum.org Roy Johnson displays items in his/her tube collection. Tubes are called valves in British oriented countries.
Valve and tube collectors as well as radio collectors are invited to join Radiomuseum.org. Every member can display separate collections of tubes, radios etc.

Roy Johnson started his/her tube collection (valve collection) here on 13.Oct.2006. [index-en]

  
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