Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
RE064t |
1926 |
Telefunken Deutschland (TFK)... |
D |
|
RE064 |
1926 |
Telefunken Deutschland (TFK)... |
D |
|
PM2 |
1926 |
Mullard Radio Valve Co. Ltd.; |
GB |
|
DE06_Nelson |
1926 |
Nelson Electric Co. Ltd.; Lo... |
GB |
|
A425 |
1926 |
Philips; Eindhoven (tubes in... |
NL |
|
A_Nelson |
1926 |
Nelson Electric Co. Ltd.; Lo... |
GB |
|
201A |
1925 |
Common type USA tube/semicond. |
USA |
|
CX301A |
1925 |
Cunningham Inc., E.T.; Harr... |
USA |
|
W3_Cossor |
1925 |
Cossor, A.C.; London |
GB |
|
B_CeCo |
1925 |
CeCo (tubes), C.E. Mfg. Co. ... |
USA |
|
W1_Cossor |
1925 |
Cossor, A.C.; London |
GB |
|
1018 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
373 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
SX201A |
1925 |
Sylvania (Hygrade, GTE, Nilc... |
USA |
|
RE209 |
1925 |
Telefunken Deutschland (TFK)... |
D |
|
Micro-Bigril |
1925 |
La Radiotechnique (RT); Pari... |
F |
|
B403 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
A415 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
A409 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
A141 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
205D |
1924 |
Western Electric Company Inc... |
USA |
|
U220 |
1924 |
Radioröhren-Laboratorium-Gmb... |
D |
|
RE89 |
1924 |
Telefunken Deutschland (TFK)... |
D |
|
RE83 |
1924 |
Telefunken Deutschland (TFK)... |
D |
|
ONE-VOLT-ORA |
1924 |
Mullard Radio Valve Co. Ltd.; |
GB |
|
LF-ORA |
1924 ? |
Mullard Radio Valve Co. Ltd.; |
GB |
|
DFA1 |
1924 |
Mullard Radio Valve Co. Ltd.; |
GB |
|
A441 |
1924 |
Philips; Eindhoven (tubes in... |
NL |
|
DV2 |
1923 |
DeForest-Tubes |
USA |
|
4215A |
1923 |
Standard Telephones and Cabl... |
GB |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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