Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
| 2SD1878 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SD1893 |
|
| Common type Japan tube/semic... |
J |
|
| 2SD1894 |
|
| Common type Japan tube/semic... |
J |
|
| 2SD1913 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SD1944 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| 2SD2012 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SD2037 |
|
| Common type Japan tube/semic... |
J |
|
| 2SD2058 |
|
| Common type Hong Kong tube/s... |
HK |
|
| 2SD2061 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| 2SD2331 |
|
| Common type Japan tube/semic... |
J |
|
| 2SD2394 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| 2SD2396 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| 2SH21 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SJ50 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SK30 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SK32 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SK241 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SK794 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SK1010 |
|
| Common type Japan tube/semic... |
J |
|
| 2SK1014 |
|
| Common type Japan tube/semic... |
J |
|
| 2SK1044 |
|
| Common type Japan tube/semic... |
J |
|
| 2SK1118 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SK1134 |
|
| Common type Japan tube/semic... |
J |
|
| 2SK1221 |
|
| Common type Japan tube/semic... |
J |
|
| 2SK1603 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SK2038 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SK2134 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SK2545 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SK2632 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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