Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
| 1L4 |
1942 |
| Common type USA tube/semicond. |
USA |
|
| 1N3754 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 1N3880 |
|
| Common type USA tube/semicond. |
USA |
|
| 1N5400 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 1N5404 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 1N5645 |
|
| Common type USA tube/semicond. |
USA |
|
| 1N5657 |
|
| Common type USA tube/semicond. |
USA |
|
| 1N5877 |
|
| Motorola Inc. (ex Galvin Mfg... |
USA |
|
|
| 1S5 |
|
| Common type USA tube/semicond. |
USA |
|
| 1S689 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| 1T4 |
1940 |
| Common type USA tube/semicond. |
USA |
|
| 1U5 |
|
| Common type USA tube/semicond. |
USA |
|
| 1V2 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 2A6 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 2G395 |
|
| ATES; L’Aquila, Milano, Napo... |
I |
|
| 2KBP02M |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 2N406 |
|
| Common type USA tube/semicond. |
USA |
|
| 2N408 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 2N422 |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| 2N456 |
|
| Texas Instruments, Dallas |
USA |
|
| 2N708 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 2N918 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 2N1303 |
|
| Common type USA tube/semicond. |
USA |
|
| 2N1561 |
|
| Motorola Inc. (ex Galvin Mfg... |
USA |
|
| 2N1613 |
|
| Common type USA tube/semicond. |
USA |
|
| 2N1711 |
|
| Common type USA tube/semicond. |
USA |
|
| 2N1893 |
|
| Common type USA tube/semicond. |
USA |
|
| 2N2081 |
|
| Motorola Inc. (ex Galvin Mfg... |
USA |
|
| 2N2160 |
|
| General Electric Co. (GE); B... |
USA |
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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