Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
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GM0290 |
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Texas Instruments, Dallas |
USA |
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GL4/2 |
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Sator (brand of Tungsram for... |
H |
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Gl.1,5* |
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Siemens (& Halske, -Schucker... |
D |
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GI1906 |
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Common type USA tube/semicond. |
USA |
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Gg2 |
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Siemens (& Halske, -Schucker... |
D |
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GFT2006/P4 |
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TeKaDe (TKD), Süddeutsche Te... |
D |
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GFT20 |
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TeKaDe (TKD), Süddeutsche Te... |
D |
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GEX34 |
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GEC, General Electric Co Ltd... |
GB |
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GET888 |
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GEC, General Electric Co Ltd... |
GB |
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GET111 |
1959 |
GEC, General Electric Co Ltd... |
GB |
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GD341 |
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Motorola Inc. (ex Galvin Mfg... |
USA |
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GD150A/S |
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Ericsson Telephones / Britis... |
GB |
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GC10/4B |
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ETL Electronic Tubes Ltd., H... |
GB |
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GAY61 |
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Halbleiterwerk Frankfurt /Od... |
D |
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GAL16V8 |
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Common type USA tube/semicond. |
USA |
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GA114 |
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Halbleiterwerk Frankfurt /Od... |
D |
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G4200 |
1929 |
Valvo GmbH, Radioröhrenfabri... |
D |
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G2041/1 |
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Siemens (& Halske, -Schucker... |
D |
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G1841/1 |
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Siemens (& Halske, -Schucker... |
D |
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G1631/1 |
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Siemens (& Halske, -Schucker... |
D |
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G1321/1 |
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Siemens (& Halske, -Schucker... |
D |
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G354 |
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Common type Europe tube/semi... |
EU |
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G100 |
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Grammont (Radiofotos, Fotos)... |
F |
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g30S50 |
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Osram GmbH KG; Berlin |
D |
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G-27-S |
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Majestic tubes of Grigsby-Gr... |
USA |
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Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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