Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
38 |
1930 |
RCA (RCA Victor Co. Inc.); N... |
USA |
|
36 |
1930 |
Common type USA tube/semicond. |
USA |
|
35Z5GT |
1939 |
Common type USA tube/semicond. |
USA |
|
35Y4 |
|
Common type USA tube/semicond. |
USA |
|
35L6GT/G |
|
Common type USA tube/semicond. |
USA |
|
35L6GT |
|
Common type USA tube/semicond. |
USA |
|
35C5 |
|
Common type USA tube/semicond. |
USA |
|
35B5 |
|
Common type USA tube/semicond. |
USA |
|
35/51 |
1935 ? |
Common type USA tube/semicond. |
USA |
|
32L7GT |
|
Common type USA tube/semicond. |
USA |
|
32 |
1930 |
Common type USA tube/semicond. |
USA |
|
30CPQ060 |
|
International Rectifier; Los... |
USA |
|
26NO90 |
|
Amperite Co., Inc.; Union Ci... |
USA |
|
26MB120A |
|
Common type USA tube/semicond. |
USA |
|
26C6 |
|
Common type USA tube/semicond. |
USA |
|
26A6 |
|
Common type USA tube/semicond. |
USA |
|
26-4A |
|
Amperite Co., Inc.; Union Ci... |
USA |
|
26 |
1927 |
Common type USA tube/semicond. |
USA |
|
25Z6GT/G |
|
Common type USA tube/semicond. |
USA |
|
25Z6GT |
|
Common type USA tube/semicond. |
USA |
|
25Z6G |
|
Common type USA tube/semicond. |
USA |
|
25Z6 |
1936 |
Common type USA tube/semicond. |
USA |
|
25L6GT |
1938 |
Common type USA tube/semicond. |
USA |
|
25L6G |
1937 |
Common type USA tube/semicond. |
USA |
|
25A6G |
|
Common type USA tube/semicond. |
USA |
|
24A |
1929 |
Common type USA tube/semicond. |
USA |
|
24 |
1929 |
Common type USA tube/semicond. |
USA |
|
22 |
1927 |
Common type USA tube/semicond. |
USA |
|
20-3 |
|
Common type USA tube/semicond. |
USA |
|
18FY6 |
|
Common type USA tube/semicond. |
USA |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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