Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
RENS1284 |
1932 |
Telefunken Deutschland (TFK)... |
D |
|
H4111D |
1932 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
E499 |
1932 ? |
Philips; Eindhoven (tubes in... |
NL |
|
E455 |
1932 |
Philips; Eindhoven (tubes in... |
NL |
|
C453 |
1932 |
Philips; Eindhoven (tubes in... |
NL |
|
58 |
1931 |
Common type USA tube/semicond. |
USA |
|
57 |
1931 |
Common type USA tube/semicond. |
USA |
|
RENS1214 |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
47 |
1931 |
Common type USA tube/semicond. |
USA |
|
RES374 |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
RES174d |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
RENS1823d |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
RENS1820 |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
RENS1264 |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
L2318D |
1931 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
E452T |
1931 |
Philips; Eindhoven (tubes in... |
NL |
|
B228 |
1931 |
Philips; Eindhoven (tubes in... |
NL |
|
A2118 |
1931 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
38 |
1930 |
RCA (RCA Victor Co. Inc.); N... |
USA |
|
36 |
1930 |
Common type USA tube/semicond. |
USA |
|
32 |
1930 |
Common type USA tube/semicond. |
USA |
|
RES664d |
1930 |
Telefunken Deutschland (TFK)... |
D |
|
L416D |
1930 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
H410D |
1930 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
G425 |
1930 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
24 |
1929 |
Common type USA tube/semicond. |
USA |
|
H407spez |
1929 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
24A |
1929 |
Common type USA tube/semicond. |
USA |
|
4NG |
1929 |
Loewe-(Opta); Deutschland |
D |
|
W4080 |
1929 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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