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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: 241 to 270 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
Pen46
Mazda = Valve (Tube) brand G... GB
click to access the tube page
Pen220
Mazda = Valve (Tube) brand G... GB
click to access the tube page
S215VM
Mazda = Valve (Tube) brand G... GB
click to access the tube page
V503
Mazda = Valve (Tube) brand G... GB
click to access the tube page
V914
Mazda = Valve (Tube) brand G... GB
click to access the tube page
20P1
Mazda = Valve (Tube) brand G... GB
click to access the tube page
A2293
MO Valve Co. Ltd.; GB GB
click to access the tube page
CV345
MO Valve Co. Ltd.; GB GB
click to access the tube page
CV2171
MO Valve Co. Ltd.; GB GB
click to access the tube page
CV2394
MO Valve Co. Ltd.; GB GB
click to access the tube page
CV4046
MO Valve Co. Ltd.; GB GB
Tube with metallising removed.
D41 1935
MO Valve Co. Ltd.; GB GB
click to access the tube page
D42 1936
MO Valve Co. Ltd.; GB GB
click to access the tube page
D63 1937
MO Valve Co. Ltd.; GB GB
click to access the tube page
DA42
MO Valve Co. Ltd.; GB GB
Serial 2444B -  Manufactured 1924.
DE5_Marconi 1924
MO Valve Co. Ltd.; GB GB
A Late production Tube 1930s.
DER
MO Valve Co. Ltd.; GB GB
Mesh anode detail
DH30
MO Valve Co. Ltd.; GB GB
click to access the tube page
DPT 1931
MO Valve Co. Ltd.; GB 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
KT2
MO Valve Co. Ltd.; GB GB
click to access the tube page
KT44
MO Valve Co. Ltd.; GB GB
click to access the tube page
KT74
MO Valve Co. Ltd.; GB GB
click to access the tube page
KTZ63
MO Valve Co. Ltd.; GB GB
click to access the tube page
LS5B
MO Valve Co. Ltd.; GB GB
click to access the tube page
NR7A
MO Valve Co. Ltd.; GB GB
R5V with BBC mark.  From 1924 box.
R5V 1925
MO Valve Co. Ltd.; GB GB
click to access the tube page
T250_MO 1922
MO Valve Co. Ltd.; GB GB
click to access the tube page
U12
MO Valve Co. Ltd.; GB GB
Result: 241 to 270 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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