Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
2N4858 |
|
Common type USA tube/semicond. |
USA |
|
2N4444 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N4347 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N4250 |
|
Fairchild Semiconductor Inc.... |
USA |
|
2N4101 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N4032 |
|
Intermetall Halbleiterwerk, ... |
D |
|
2N3906 |
|
Common type USA tube/semicond. |
USA |
|
2N3904 |
|
Common type USA tube/semicond. |
USA |
|
2N3819 |
|
Common type USA tube/semicond. |
USA |
|
2N3773 |
|
Common type USA tube/semicond. |
USA |
|
2N3740 |
|
Common type USA tube/semicond. |
USA |
|
2N3716 |
|
Common type USA tube/semicond. |
USA |
|
2N3638 |
|
Common type USA tube/semicond. |
USA |
|
2N3618 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N3567 |
|
Fairchild Semiconductor Inc.... |
USA |
|
2N3566 |
|
Fairchild Semiconductor Inc.... |
USA |
|
2N3442 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N3055 |
|
Common type Worldwide tube/s... |
ZZ |
|
2N3054 |
|
Common type USA tube/semicond. |
USA |
|
2N3053 |
|
Common type USA tube/semicond. |
USA |
|
2N2923 |
|
General Electric Co. (GE); B... |
USA |
|
2N2907 |
|
Common type USA tube/semicond. |
USA |
|
2N2905 |
|
Common type USA tube/semicond. |
USA |
|
2N2904 |
|
Common type USA tube/semicond. |
USA |
|
2N2894 |
|
Common type Worldwide tube/s... |
ZZ |
|
2N2646 |
|
Common type USA tube/semicond. |
USA |
|
2N2369 |
|
Common type Worldwide tube/s... |
ZZ |
|
2N2222 |
|
Common type USA tube/semicond. |
USA |
|
2N2221 |
|
Common type USA tube/semicond. |
USA |
|
2N2219 |
|
Common type USA tube/semicond. |
USA |
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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