Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
| 2SA1124 |
|
| Matsushita tubes; Osaka |
J |
|
| 2SA1129 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SA1156 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| 2SA1186 |
|
| Common type Japan tube/semic... |
J |
|
| 2SA1209 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SA1249 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SA1263 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SA1265 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SA1301 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SA1302 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SA1359 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SA1469 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SA1489 |
|
| Common type Japan tube/semic... |
J |
|
| 2SA1490 |
|
| Common type Japan tube/semic... |
J |
|
| 2SA1491 |
|
| Common type Japan tube/semic... |
J |
|
| 2SA1693 |
|
| Common type Japan tube/semic... |
J |
|
| 2SA1695 |
|
| Common type Japan tube/semic... |
J |
|
| 2SB17 |
|
| TEN (brand), Kobe Kogyo Corp... |
J |
|
| 2SB22 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
| 2SB54 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SB56 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 2SB75 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SB77 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SB83 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 2SB172 |
|
| Common type Japan tube/semic... |
J |
|
| 2SB173 |
|
| Matsushita tubes; Osaka |
J |
|
| 2SB175 |
|
| Matsushita tubes; Osaka |
J |
|
| 2SB176 |
|
| Matsushita tubes; Osaka |
J |
|
| 2SB178 |
|
| Common type Japan tube/semic... |
J |
|
| 2SB186 |
|
| Sanyo Electric Co. Ltd.; Mor... |
J |
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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