Antique radios, Old Time Radios
WD11
 |
| Identical to |
WD11 = 11 = C11
|
| Similar
Tubes |
Normally replaceable-slightly different:
M11
Other base:
12; WD12; WX12
|
| First Series |
Jan.1922 Saga of the Vacuumtube, Tyne page 310 |
| First Source
(s) |
Jan.1922 : Saga of the Vacuumtube, Tyne
|
| Successor Tubes |
1923
WD12
WX12
864
|
|
| Base |
WD-base (Codex=Bw)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1 Volts / If: 0.25 Ampere / -: Direct / -: Battery = / |
| Description |
Oxyde coated, first without getter then lime-getter. First form with a brass base (BB) with tip. Second has bakelite base and is smaller, tipped. Third version is bakelite, no tipp, clear. Then bakelite, no tipp but opaque getter (not clear). For Detector Aeriola Senior as first Model. Plate has a bigger diameter at the base.
Text in other
languages (may
differ)
|
| Tube prices |
3 Tube prices (visible for members
only)
|
| Literature |
Saga of the Vacuumtube, Tyne
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
RCA
Anonymous 56 Collector
|
|
|
|
Aeriotron
Anonymous 56 Collector
|
| Variants |
|
KoBi
Konrad Birkner
|
|
KoBi
Konrad Birkner
|
|
|
| Usage in Models (calculation each 25th of the
month) |
4= 1922 ; 6= 1923 ; 5= 1924 ; |
| Number of Models at Radiomuseum.org with
this tube (valve, valves, valvola, valvole,
válvula, lampe): 15 |
|
 |
Variants |
KoBi
Konrad Birkner |
Aeriotron; Brass Base; tipped; clear glassFirst type: Aeriotron; Brass Base; tipped; clear glass envelope;1.25 inch dia.; overall height ca 4.5 inch; no getter; January 1922; Tyne p.310 24.Aug.2005 Ernst Erb |
Radiotron; Brass Base; tipped; clear glass, lime gSecond type: Radiotron; Brass Base; tipped; clear glass envelope;1.25 inch dia.; overall height ca 4.5 inch; lime getter; late in 1922; Tyne p.310 24.Aug.2005 Ernst Erb |
KoBi
Konrad Birkner |
KoBi
Konrad Birkner |
R; Bakelite Base, tipped; clear glass, lime getterThird type: Radiotron; Bakelite Base, tipped; clear glass envelope; 1 inch dia.; overall height ca 3.6 inch; lime getter;
24.Aug.2005 Ernst Erb |
R. Bakelite Base, no tip; clear gl., lime getterFourth type: Radiotron; Bakelite Base, no tip; clear glass envelope; 1 inch dia.; overall height ca 3.5 inch; lime getter;
24.Aug.2005 Ernst Erb |
KoBi
Konrad Birkner |
KoBi
Konrad Birkner |
R. Bakelite Base, no tip; opaque gl. mag.getter?Fifth type: type: Radiotron; Bakelite Base, no tip; opaque glass envelope; 1 inch dia.; overall height ca 3.5 inch; magnesium (?) getter;
24.Aug.2005 Ernst Erb |
| |
|
| No further Information
for |
WD11 |
|
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