Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
| NKT603 |
|
| Newmarket Transistors Ltd. ... |
GB |
|
| NKT677 |
|
| Newmarket Transistors Ltd. ... |
GB |
|
|
| NL-5750-S |
|
| National Electronics, Inc.; ... |
USA |
|
| NM400 |
|
| Thomson (marque), Thomson-Ho... |
F |
|
| NMC27C64 |
|
| Fairchild Semiconductor Inc.... |
USA |
|
| NMC27C128 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| NMC27C256 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| NN4 |
|
| Sator (brand of Tungsram for... |
H |
|
|
| NR23 |
|
| Common type Great Britain tu... |
GB |
|
|
| NT77C10 |
|
| Nortron, Hermann Köhler Elek... |
D |
|
| NT77C43 |
|
| Nortron, Hermann Köhler Elek... |
D |
|
| NT0601R |
|
| Common type Europe tube/semi... |
EU |
|
| NT9690 |
|
| Nortron, Hermann Köhler Elek... |
D |
|
| NTE937 |
|
| Common type USA tube/semicond. |
USA |
|
| NTE941 |
|
| Common type USA tube/semicond. |
USA |
|
| O240/2000 |
|
| Tungsram; Budapest (see also... |
H |
|
| O1500/5000 |
|
| Tungsram; Budapest (see also... |
H |
|
| OA74 |
1955 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA92 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA130 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| OA257 |
|
| SAF Süddeutsche Apparate-Fab... |
D |
|
| OA665 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| OAP12 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| OAZ203 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
|
| OC20 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| OC25 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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