Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
RE209 |
1925 |
Telefunken Deutschland (TFK)... |
D |
|
RE304 |
1929 |
Telefunken Deutschland (TFK)... |
D |
|
REF01 |
|
Common type USA tube/semicond. |
USA |
|
REL21 |
|
Research Enterprises Ltd., T... |
CDN |
|
Rel673B84 |
|
Siemens (& Halske, -Schucker... |
D |
|
Rel673U15 |
|
Siemens (& Halske, -Schucker... |
D |
|
REN601 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
REN704d |
1929 |
Telefunken Deutschland (TFK)... |
D |
|
REN904 |
1929 |
Telefunken Deutschland (TFK)... |
D |
|
REN924 |
1933 |
Telefunken Deutschland (TFK)... |
D |
|
REN1104 |
1926 |
Telefunken Deutschland (TFK)... |
D |
|
REN1822 |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
REN2204 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RENS1384 |
|
Telefunken Deutschland (TFK)... |
D |
|
RENS1818 |
1932 |
Telefunken Deutschland (TFK)... |
D |
|
RENS1823d |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
RENZ2104 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RES664d |
1930 |
Telefunken Deutschland (TFK)... |
D |
|
Resistron |
|
Heimann GmbH, PTW; Wiesbaden |
D |
|
RFP8N20 |
|
Common type Worldwide tube/s... |
ZZ |
|
RG1/240A |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
RG62D |
|
Telefunken Deutschland (TFK)... |
D |
|
|
RG250/1000 |
|
Tungsram; Budapest (see also... |
H |
|
RGN354 |
1929 |
Telefunken Deutschland (TFK)... |
D |
|
RGN564 |
1932 |
Telefunken Deutschland (TFK)... |
D |
|
RGN1304 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RGN1404 |
1930 |
Telefunken Deutschland (TFK)... |
D |
|
RGN1500 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RGN2004E |
|
Inter und Union, Deutschland... |
D |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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