Extrait de la collection de lampes / semi-conducteurs de Robert Gillespie. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Robert Gillespie.
201B_Western |
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Western Electric Company Inc... |
USA |
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203B |
1937 |
Taylor Tubes Inc.; Chicago (... |
USA |
|
203B_Western |
|
Western Electric Company Inc... |
USA |
|
204A |
|
Common type USA tube/semicond. |
USA |
|
205A |
|
Western Electric Company Inc... |
USA |
|
205B |
|
Western Electric Company Inc... |
USA |
|
205D |
1924 |
Western Electric Company Inc... |
USA |
|
205E |
|
Western Electric Company Inc... |
USA |
|
208A |
|
Western Electric Company Inc... |
USA |
|
209A |
|
Western Electric Company Inc... |
USA |
|
211A |
1921 |
Western Electric Company Inc... |
USA |
|
211B |
|
Common type USA tube/semicond. |
USA |
|
211D |
1924 |
Western Electric Company Inc... |
USA |
|
211E |
|
Western Electric Company Inc... |
USA |
|
212A |
1923 |
Western Electric Company Inc... |
USA |
|
214E_WE |
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Western Electric Company Inc... |
USA |
|
215A |
1919 |
Western Electric Company Inc... |
USA |
|
216A |
1922 |
Western Electric Company Inc... |
USA |
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217A_WE |
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Western Electric Company Inc... |
USA |
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217C |
|
General Electric Co. (GE); B... |
USA |
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220DD |
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Cossor, A.C.; London |
GB |
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220OT |
|
Cossor, A.C.; London |
GB |
|
221D |
1926 |
Western Electric Company Inc... |
USA |
|
222 |
1927 |
Common type USA tube/semicond. |
USA |
|
222A |
|
Common type USA tube/semicond. |
USA |
|
223A |
1922 |
Western Electric Company Inc... |
USA |
|
224A |
|
Common type USA tube/semicond. |
USA |
|
227 |
1927 |
Common type USA tube/semicond. |
USA |
|
230 |
1930 |
Common type USA tube/semicond. |
USA |
|
230Pen |
|
Six Sixty (valves), The Elec... |
GB |
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