Excerpt from the tube collection of Geri Meier. These images (tube photos) were uploaded to the respective tubes or valves by Geri Meier.
| AR |
|
| Ediswan, Siemens Edison Swan... |
GB |
|
| Arcotron201 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| ARDE_HF |
1923 |
| Ediswan, Siemens Edison Swan... |
GB |
|
| AX |
|
| Common type USA tube/semicond. |
USA |
|
| B4_BTH |
|
| BTH (B.T.H.), British Thomso... |
GB |
|
| B6_BTH |
|
| BTH (B.T.H.), British Thomso... |
GB |
|
| C301A |
|
| Cunningham Inc., E.T.; Harr... |
USA |
|
| C401 |
|
| Sparton-Cardon Tubes; Jackso... |
USA |
|
| CF501 |
|
| Armstrong Electric and Manuf... |
USA |
|
| CX112 |
1925 |
| Cunningham Inc., E.T.; Harr... |
USA |
|
| CX299 |
|
| Cunningham Inc., E.T.; Harr... |
USA |
|
| CX301A |
1925 |
| Cunningham Inc., E.T.; Harr... |
USA |
|
| CX371 |
|
| Cunningham Inc., E.T.; Harr... |
USA |
|
| D-II |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| DE5_Marconi |
1924 |
| MO Valve Co. Ltd.; GB |
GB |
|
| DE11 |
1924 |
| Metropolitan-Vickers (Metro-... |
GB |
|
| DEQ |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| DEV |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| DL5 |
1926 ?? |
| DeForest-Tubes |
USA |
|
| DV2 |
1923 |
| DeForest-Tubes |
USA |
|
|
| DV3A |
1925 ?? |
| DeForest-Tubes |
USA |
|
| DV5 |
1925 ?? |
| DeForest-Tubes |
USA |
|
| E140 |
|
| SFR (S.F.R.) - Société Franç... |
F |
|
| E415 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| F_CeCo |
1926 |
| CeCo (tubes), C.E. Mfg. Co. ... |
USA |
|
| G_CeCo |
1926 |
| CeCo (tubes), C.E. Mfg. Co. ... |
USA |
|
| GL-446A |
|
| General Electric Co. (GE); B... |
USA |
|
| HF_Cossor |
|
| Cossor, A.C.; London |
GB |
|
| HY615 |
|
| Hytron; Salem (MA) |
USA |
|
Geri Meier started his/her tube collection (valve collection) here on 03.Jul.2011.
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