Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
U220 |
1924 |
Radioröhren-Laboratorium-Gmb... |
D |
|
UX200A |
1926 |
Common type USA tube/semicond. |
USA |
|
WT501 |
|
Welsh Electric Lamp Corp, Ne... |
USA |
|
|
EW65H |
|
20th Century Electronics, Ce... |
GB |
|
g14 |
|
Osram GmbH KG; Berlin |
D |
|
RR145/V |
|
Deutsche Glimmlampen GmbH, (... |
D |
|
4662 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DQ7 |
|
BBC - Brown Boveri; Switzerl... |
CH |
|
RG250/1000 |
|
Tungsram; Budapest (see also... |
H |
|
866 |
|
Common type USA tube/semicond. |
USA |
|
866Jr |
|
Taylor Tubes Inc.; Chicago (... |
USA |
|
1174 |
|
Philips; Eindhoven (tubes in... |
NL |
|
1177 |
|
Philips; Eindhoven (tubes in... |
NL |
|
CK5517 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
CV1835 |
|
Common type Worldwide tube/s... |
ZZ |
|
GXU1 |
|
Marconi-Osram - (Valves/Tube... |
GB |
|
RG1/240A |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
1002 |
|
Philips; Eindhoven (tubes in... |
NL |
|
1018 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
1164 |
|
Philips; Eindhoven (tubes in... |
NL |
|
289881 |
|
General Electric Co. (GE); B... |
USA |
|
DA1,5/75 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DA4/140 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DA6-1500 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DA7/700 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DA8-300 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DA10/550 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DA10/1250 |
|
Philips; Eindhoven (tubes in... |
NL |
|
DA10/1750 |
|
Philips; Eindhoven (tubes in... |
NL |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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