Excerpt from the tube collection of Museum Roggenhofer. These images (tube photos) were uploaded to the respective tubes or valves by Museum Roggenhofer.
2N4920 |
|
Common type USA tube/semicond. |
USA |
|
2N4921 |
|
Common type USA tube/semicond. |
USA |
|
2N4923 |
|
Common type USA tube/semicond. |
USA |
|
2N5172 |
|
Fairchild Semiconductor Inc.... |
USA |
|
2N5296 |
|
Common type USA tube/semicond. |
USA |
|
2N5320 |
|
Common type USA tube/semicond. |
USA |
|
2N5486 |
|
Common type USA tube/semicond. |
USA |
|
2N5671 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N5877 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N5952 |
|
Common type USA tube/semicond. |
USA |
|
2N6030 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N6055 |
|
Common type USA tube/semicond. |
USA |
|
2N6109 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N6488 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N6687 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2S52 |
|
Toshiba Corporation; Tokyo |
J |
|
2S53 |
|
Toshiba Corporation; Tokyo |
J |
|
2SA52 |
|
Toshiba Corporation; Tokyo |
J |
|
2SA102 |
|
Matsushita tubes; Osaka |
J |
|
2SA130 |
|
Hitachi Ltd.; Tokyo |
J |
|
2SA454 |
|
Sony Corporation; Tokyo |
J |
|
2SA473 |
|
Toshiba Corporation; Tokyo |
J |
|
2SA490 |
|
Toshiba Corporation; Tokyo |
J |
|
2SA495 |
|
Toshiba Corporation; Tokyo |
J |
|
2SA564 |
|
Common type Japan tube/semic... |
J |
|
2SA565 |
|
Hitachi Ltd.; Tokyo |
J |
|
2SA643 |
|
NEC Corporation, Nippon Elec... |
J |
|
2SA671 |
|
Hitachi Ltd.; Tokyo |
J |
|
2SA673 |
|
Hitachi Ltd.; Tokyo |
J |
|
2SA683 |
|
Common type Japan tube/semic... |
J |
|
Museum Roggenhofer started his/her tube collection (valve collection) here on 01.May.2007.
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