Excerpt from the tube collection of Karlheinz Fischer. These images (tube photos) were uploaded to the respective tubes or valves by Karlheinz Fischer.
SV10 |
1926 ?? |
Triotron (tubes) = Brand of ... |
A |
|
SX201A |
1925 |
Sylvania (Hygrade, GTE, Nilc... |
USA |
|
T20 |
|
Common type USA tube/semicond. |
USA |
|
UC92 |
1952 |
Common type Europe tube/semi... |
EU |
|
UV199 |
1922 |
Common type Worldwide tube/s... |
ZZ |
|
UV201A |
1922 |
General Electric for Brand R... |
USA |
|
UX171A |
1926 |
Common type USA tube/semicond. |
USA |
|
UX199 |
1925 |
General Electric for Brand R... |
USA |
|
UX201A |
1925 |
Common type USA tube/semicond. |
USA |
|
UX226 |
1927 |
Common type USA tube/semicond. |
USA |
|
UX-226_Japan |
|
Cymotron サイモトロン (tubes) - se... |
J |
|
UX245 |
1929 |
Common type USA tube/semicond. |
USA |
|
UX250 |
|
Common type USA tube/semicond. |
USA |
|
UY227 |
1927 |
Common type USA tube/semicond. |
USA |
|
VC1 |
1935 |
Common type Europe tube/semi... |
EU |
|
VR40 |
|
Common type Great Britain tu... |
GB |
|
VT-24 |
|
Common type USA tube/semicond. |
USA |
|
VT-25 |
|
Common type USA tube/semicond. |
USA |
|
VT107_TKD |
1925 |
TeKaDe (TKD), Süddeutsche Te... |
D |
|
VT-228 |
|
Common type USA tube/semicond. |
USA |
|
VT-232 |
|
Common type USA tube/semicond. |
USA |
|
WD11 |
1922 |
Westinghouse for Brand RCA-R... |
USA |
|
WD12 |
1923 |
RCA (RCA Victor Co. Inc.); N... |
USA |
|
WX12 |
1925 |
RCA (RCA Victor Co. Inc.); N... |
USA |
|
X99 |
|
Common type USA tube/semicond. |
USA |
|
X199 |
|
Common type USA tube/semicond. |
USA |
|
2A3 |
1933 |
Common type USA tube/semicond. |
USA |
|
2A3H |
|
Common type USA tube/semicond. |
USA |
|
4A120 |
1929 |
TeKaDe (TKD), Süddeutsche Te... |
D |
|
|
Karlheinz Fischer started his/her tube collection (valve collection) here on 19.Nov.2005.
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