Antique radios, Old Time Radios
SKR2
|
Country:
Germany
|
|
| Identical to |
SKR2
|
| Base |
Duodecal (12-pin), B12A (not glass)
|
| Filament |
Vf 4 Volts / Half indirect / Specified voltage AC/DC |
| Description |
Electron flow windmill. Demo unit built to show the properties of electrons, making a small metal-vane propeller to rotate when hit by an electron beam. This was a common item in the physics laboratories of technical scools in the past century. It operated with an accelerating voltage as low as 350 V.
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
125 x 125 x 220 mm / 4.92 x 4.92 x 8.66 inch |
| Weight |
190 g / 6.70 oz |
| Tube prices |
4 Tube prices (visible for members
only)
|
| Information source |
- - Manufacturers Literature
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|
|
|
Just Qvigstad
|
SKR2: Private collection
Emilio Ciardiello
More ...
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Collection of
Collection of a member from D |
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