Excerpt from the tube collection of Michael Mischke. These images (tube photos) were uploaded to the respective tubes or valves by Michael Mischke.
| NJM4558 |
|
| Common type Japan tube/semic... |
J |
|
| NJM4565 |
|
| Common type Japan tube/semic... |
J |
|
| NJM4580 |
|
| Common type Japan tube/semic... |
J |
|
| NJM5532 |
|
| Common type Japan tube/semic... |
J |
|
| NJU3718 |
|
| Common type Japan tube/semic... |
J |
|
| NJU7201 |
|
| Common type Japan tube/semic... |
J |
|
| NJU7313 |
|
| Common type Japan tube/semic... |
J |
|
|
| NMC27C16 |
|
| Common type USA tube/semicond. |
USA |
|
| NMC27C256 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| NPCA110 |
|
| Common type Taiwan tube/semi... |
TW |
|
| NS8KT |
|
| Common type USA tube/semicond. |
USA |
|
| NSDU05 |
|
| Common type USA tube/semicond. |
USA |
|
| NSP6240 |
|
| Common type China (PRC) tube... |
PRC |
|
| NSS43 |
|
| Sator (brand of Tungsram for... |
H |
|
|
|
| NT68275 |
|
| Common type Taiwan tube/semi... |
TW |
|
| NTD14N03 |
|
| Common type USA tube/semicond. |
USA |
|
| NTD3055L170 |
|
| Common type USA tube/semicond. |
USA |
|
| NVS4 |
1932 |
| Sator (brand of Tungsram for... |
H |
|
| O4A657 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| OA55 |
1952 ? |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA74 |
1955 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA79 |
1956 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA90 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA91 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA625 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| OA626 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| OA645 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
Michael Mischke started his/her tube collection (valve collection) here on 28.Dec.2005.
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