US1838339A
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Magneto
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DE546461C
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Ignition magnet
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GB340919A
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Rotary electric transformers
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GB337596A
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Improvements relating to magnetos
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DE527633C
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Electric lamp, especially for mines, with a magnet-electric generator driven by a compressed air motor
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GB316046A
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Improvements relating to magneto or dynamo electric machines
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GB319915A
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Improvements relating to permanent magnets
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GB310198A
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Electrical transformers and the like
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GB309294A
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Improvements relating to dynamo electric machines
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GB294386A
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Improvements relating to spark ignition apparatus for internal combustion engines
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GB290470A
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Improvements relating to ignition magnetos
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GB295097A
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Improvements relating to electric lighting systems and apparatus
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GB297070A
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Improvements relating to centrifugal governors and the like
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GB275814A
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Improvements relating to high tension voltage measuring apparatus
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GB272583A
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Improvements relating to magneto electric machines
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GB255229A
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Improvements in electrical transformers
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GB249234A
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Improvements in intervalve couplings for use in radio circuits
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GB242443A
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Improvements in shock absorbing supports for thermionic valves
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GB235004A
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Improvements relating to magneto electric machines
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GB221954A
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Improvements relating to ignition magnetos
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