Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
199 |
|
Common type USA tube/semicond. |
USA |
|
201A |
1925 |
Common type USA tube/semicond. |
USA |
|
203Z |
|
Taylor Tubes Inc.; Chicago (... |
USA |
|
205D |
1924 |
Western Electric Company Inc... |
USA |
|
215A |
1919 |
Western Electric Company Inc... |
USA |
|
239A |
|
Western Electric Company Inc... |
USA |
|
304H |
|
Heintz & Kaufman Ltd. (Gamma... |
USA |
|
371B |
|
Common type USA tube/semicond. |
USA |
|
393A |
|
Common type USA tube/semicond. |
USA |
|
501-B1940 |
|
Edison, Thomas A., North Ame... |
USA |
|
803 |
|
Common type USA tube/semicond. |
USA |
|
813 |
|
Common type USA tube/semicond. |
USA |
|
866 |
|
Common type USA tube/semicond. |
USA |
|
866Jr |
|
Taylor Tubes Inc.; Chicago (... |
USA |
|
918 |
|
Common type USA tube/semicond. |
USA |
|
1619 |
|
Common type USA tube/semicond. |
USA |
|
1818-1347 |
|
Common type USA tube/semicond. |
USA |
|
1818-2055B |
|
Common type USA tube/semicond. |
USA |
|
1818-2056A |
|
Common type USA tube/semicond. |
USA |
|
1820-0190 |
|
Common type USA tube/semicond. |
USA |
|
1820-0567 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
1820-0798 |
|
Common type USA tube/semicond. |
USA |
|
1826-0062 |
|
Common type USA tube/semicond. |
USA |
|
1826-0177 |
|
Common type USA tube/semicond. |
USA |
|
1850-0168 |
|
Texas Instruments, Dallas |
USA |
|
1853-0001 |
|
Common type USA tube/semicond. |
USA |
|
1853-0010 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
1853-0038 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
1853-0066 |
|
Common type USA tube/semicond. |
USA |
|
1853-0326 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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