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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: 301 to 330 from 415
 
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
PM22D
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
PM25_5pin
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
PM202
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
PM252
Mullard Radio Valve Co. Ltd.; 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
The A variant with a 4-pin base. Coded 4L3 R4J.
RG1/240A
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
SD4_Mullard
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
SG20
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
SP13
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
TV4
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
UR3C
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
VP4
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
VP13A
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
VP20
Mullard Radio Valve Co. Ltd.; GB
The VT201 is a Post Office Specification
VT201_GPO
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
VX8098
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
XG1-2500
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
Z503M
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
2D2
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
2D4A
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
104V
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
172BD
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
253/T2
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
810BLY
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
994V
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
MT12
Osram-Valves GB (not MO-Valv... GB
Outer screen removed, Note internal shields and robust anode supports.
DF25 1941
Philips; Eindhoven (tubes in... NL
click to access the tube page
ECH2 1938
Philips; Eindhoven (tubes in... NL
click to access the tube page
GPR4
PR (P.R.) Products; London GB
click to access the tube page
VHFP/13L
Radio-Record - Röhrenmarke; ... NL
Result: 301 to 330 from 415
 

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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