Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
| 2SB601 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SB649 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SB686 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SB695 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB703 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SB743 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SB764 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB772 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SB795 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SB817 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB825 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB826 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB834 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SB861 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SB863 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SB892 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB927 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB941 |
|
| Matsushita tubes; Osaka |
J |
|
| 2SB946 |
|
| Common type Japan tube/semic... |
J |
|
| 2SB974 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SB1018 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SB1094 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SB1133 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB1135 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB1143 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB1185 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| 2SB1212 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| 2SB1253 |
|
| Common type Japan tube/semic... |
J |
|
| 2SB1274 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB1357 |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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