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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