Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
CA3086 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
CA3081 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
CA3054 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
CA3047 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
CA3046 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
BD277 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
RK6390 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
RK-5836 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
RK62 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
RK6BM6A |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
RK3B24WB |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
RC958 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
Ray-227 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
QKK1826 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
HA3-4741-5 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
CK5842 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
CK5517 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
CK1121 |
|
Raytheon Mfg. Co.; Cambridge... |
USA |
|
Ultra |
|
Radioröhren-Laboratorium-Gmb... |
D |
|
U220 |
1924 |
Radioröhren-Laboratorium-Gmb... |
D |
|
Valvo-Normal |
|
Radioröhrenfabrik GmbH (RRF)... |
D |
|
Oscillotron |
|
Radioröhrenfabrik GmbH (RRF)... |
D |
|
OeconomN |
|
Radioröhrenfabrik GmbH (RRF)... |
D |
|
MS500 |
|
Radioröhrenfabrik GmbH (RRF)... |
D |
|
MS250 |
|
Radioröhrenfabrik GmbH (RRF)... |
D |
|
T104 |
|
Radio-Record - Röhrenmarke; ... |
NL |
|
T34 |
|
Radio-Record - Röhrenmarke; ... |
NL |
|
RRR245 |
1927 |
Radio-Record - Röhrenmarke; ... |
NL |
|
RAK1 |
|
Radio-Record - Röhrenmarke; ... |
NL |
|
R233 |
|
Radio-Record - Röhrenmarke; ... |
NL |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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