radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

Roy Johnson, Great Britain (UK) - Tube collection

Information - Help
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: 151 to 180 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
GDT4B
Cossor, A.C.; London GB
click to access the tube page
GJ5M
BTH (B.T.H.), British Thomso... GB
click to access the tube page
GL6897
General Electric Co. (GE); B... USA
click to access the tube page
GNP-7
Standard Telephones and Cabl... GB
click to access the tube page
GPR4
PR (P.R.) Products; London GB
click to access the tube page
GS10D
Ericsson Telephones / Britis... GB
click to access the tube page
GT1B
Marconi-Osram - (Valves/Tube... GB
click to access the tube page
GT1C
Marconi-Osram - (Valves/Tube... 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
GZ37
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
HF_Cossor
Cossor, A.C.; London GB
click to access the tube page
HL4+
British Tungsram Radio Works... GB
click to access the tube page
HL13C
Mullard Radio Valve Co. Ltd.; GB
click to access the tube page
HL13_Mullard
Mullard Radio Valve Co. Ltd.; GB
Mazda Version.  Heavy gettering reduces visibility.
HL210 1928
Common type Great Britain tu... GB
click to access the tube page
HLT2/0,5a
Siemens (& Halske, -Schucker... D
click to access the tube page
HT4 1929
Westinghouse El. & Mfg. Co. ... USA
click to access the tube page
K30G
Ever Ready Co. (GB) Ltd.; Lo... GB
click to access the tube page
K50N
Ever Ready Co. (GB) Ltd.; Lo... GB
click to access the tube page
KK32
Mullard Radio Valve Co. Ltd.; 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
KT67
GEC, General Electric Co.; L... GB
click to access the tube page
KT74
MO Valve Co. Ltd.; GB GB
click to access the tube page
KT101
Marconi-Osram - (Valves/Tube... GB
click to access the tube page
KTZ63
MO Valve Co. Ltd.; GB GB
click to access the tube page
L100/1G
Standard Telephones and Cabl... GB
click to access the tube page
LB8
Telefunken Deutschland (TFK)... D
Details of Screen
LB13/40
Telefunken Deutschland (TFK)... D
Result: 151 to 180 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]

  
rmXorg