Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
| 2SC3420 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC3422 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC3457 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SC3795 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC3853 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC3854 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC3855 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC3886 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC3892 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SC4135 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SC4137 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| 2SC4208 |
|
| Matsushita tubes; Osaka |
J |
|
| 2SC4242 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC4429 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SC4466 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC4468 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC4517 |
|
| Common type Japan tube/semic... |
J |
|
| 2SC5588 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SD47 |
|
| Sony Corporation; Tokyo |
J |
|
| 2SD64 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SD91 |
|
| Common type Japan tube/semic... |
J |
|
| 2SD111 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SD188 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SD200 |
|
| Common type Japan tube/semic... |
J |
|
| 2SD234 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SD235 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SD261 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SD313 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SD325 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SD330 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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