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US2215798A
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Vacuum vessel
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US2202470A
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Electron discharge tube
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US2202469A
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Electric discharge vessel
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US1792781A
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Method of generating oscillations
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GB217230A
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Improvements in and relating to electric discharge devices such as thermionic tubes and the like
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GB173526A
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Method and apparatus for the electrical transmission of messages along conductors
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GB170298A
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Method for generating and strengthening oscillations of any frequency, especially for wireless telegraphy
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GB148313A
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Improvements in and relating to methods of and apparatus for wireless telephony
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GB148319A
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Improvements in and relating to reels and the like for winding and unwinding aerial conductors
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GB148318A
|
|
Improvements in and relating to reels and the like for winding and unwinding aerial conductors
|
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GB148323A
|
|
Improvements in and relating to vehicle stations for wireless telegraphy
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|
GB148324A
|
|
Improvements in and relating to electric coils for high frequency purposes
|
|
GB148316A
|
|
A device for checking and recording at the sending station messages transmitted by wireless telegraphy
|
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GB148315A
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Improvements in or relating to aerial conductors for wireless telegraphy and windingapparatus therefor
|
|
GB148314A
|
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Improvements in and relating to the manufacture and operation of vacuum tubes
|
|
GB148317A
|
|
Arrangement for carrying wireless stations
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GB148312A
|
|
Improvements in and relating to telephony
|
|
GB148321A
|
|
Equipment for wireless receiving apparatus
|
|
GB148322A
|
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Method for tuning direct-coupled transmitting-apparatus for wireless telegraphy
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GB148320A
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Improvements in and relating to dynamo-electric machines for use on air-craft
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