Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
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 |
|
2SB187 |
|
Sanyo Electric Co. Ltd.; Mor... |
J |
|
2SB303 |
|
Sanyo Electric Co. Ltd.; Mor... |
J |
|
2SB324 |
|
Matsushita tubes; Osaka |
J |
|
2SB337 |
|
Hitachi Ltd.; Tokyo |
J |
|
2SB341 |
|
Hitachi Ltd.; Tokyo |
J |
|
2SB345 |
|
Common type Japan tube/semic... |
J |
|
2SB347 |
|
Common type Japan tube/semic... |
J |
|
2SB364 |
|
Toshiba Corporation; Tokyo |
J |
|
2SB365 |
|
Toshiba Corporation; Tokyo |
J |
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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