Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
VY1 |
1935 |
Common type Europe tube/semi... |
EU |
|
ZG14 |
|
Philips; Eindhoven (tubes in... |
NL |
|
|
3B29W |
|
Common type USA tube/semicond. |
USA |
|
10NG |
1929 |
Loewe-(Opta); Deutschland |
D |
|
354_TeKaDe |
|
TeKaDe (TKD), Süddeutsche Te... |
D |
|
373 |
1925 |
Philips; Eindhoven (tubes in... |
NL |
|
1562 |
1928 |
Philips; Eindhoven (tubes in... |
NL |
|
DK91 |
1947 |
Common type Europe tube/semi... |
EU |
|
VH4 |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
4H3 |
1936 |
Loewe-(Opta); Deutschland |
D |
|
CV1863 |
|
Common type Great Britain tu... |
GB |
|
CY2 |
1934 |
Common type Europe tube/semi... |
EU |
|
DW7X |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
HW30 |
|
Novis; Wien (Tubes) |
A |
|
NG3020 |
|
Loewe-(Opta); Deutschland |
D |
|
PZ30 |
|
Common type Great Britain tu... |
GB |
|
TCY2 |
1934 |
Tungsram; Budapest (see also... |
H |
|
1D6 |
|
Standard Telephones and Cabl... |
GB |
|
26NG |
1934 |
Loewe-(Opta); Deutschland |
D |
|
83-V |
|
Common type USA tube/semicond. |
USA |
|
117Z6GT |
|
Common type USA tube/semicond. |
USA |
|
371B |
|
Common type USA tube/semicond. |
USA |
|
5642 |
|
Common type USA tube/semicond. |
USA |
|
µA702 |
|
Common type Worldwide tube/s... |
ZZ |
|
µA711 |
|
Fairchild Semiconductor Inc.... |
USA |
|
µA715 |
|
Fairchild Semiconductor Inc.... |
USA |
|
µA725 |
|
Fairchild Semiconductor Inc.... |
USA |
|
µA777 |
|
Fairchild Semiconductor Inc.... |
USA |
|
AD7523 |
|
Common type USA tube/semicond. |
USA |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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