Antique radios, Old Time Radios
O75
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Country:
Netherlands
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| Identical to |
O75
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| Filament |
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| Description |
Rotalix-X-ray tube O75
1948
The first Rotalix tube with an all-hard glass casing and oil cooling. In Rotalix tubes, the anode is supported by a ball bearing. Lead or silver was used as a lubricant.
Text in other
languages (may
differ)
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| Information source |
-- Collector info (Sammler)
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