Antique radios, Old Time Radios
VT-21
|
Country:
United States of America (USA)
|
|
| Identical to |
VT-21
|
| First year |
1917
??
Saga of the Vacuum Tube, Tyne page 120, 122, 131
|
| Base |
UY-Base, 5 Pins (USA, April 1927)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1.1 Ampere / Direct |
| Description |
This tube was made for the US Signal Corps. 15057 tubes were madeand supplied between March 8, 1918 and September 18, 1918. for the US Military. the tube was developed in 1917.
|
| Tube prices |
2 Tube prices (visible for members
only)
|
| Information source |
Saga of the Vacuum Tube, Tyne p. 120, 122 & 131
|
|
|
|
Just Qvigstad
|
|
Collection of
|
|
|
|
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
|
|
|
