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GB684140A
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Improvements in or relating to safety devices for oil immersed electric apparatus such as transformers
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US2639309A
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Safety device for transformers with oil reservoir
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GB660181A
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Improvements in or relating to safety devices for electric transformers
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GB645242A
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Device for connecting a high-voltage cable to an electrical apparatus contained in atank
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GB639023A
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High-voltage impulse generators
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GB618473A
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Improvements in air or gas drying apparatus
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GB613329A
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An arrangement of an expansion reservoir for tanks with dry joints
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GB618868A
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Means for drying immersed electrical apparatus
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GB514067A
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Regulating and indicating apparatus for regulating the voltage of several transformers adapted to run in parallel
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GB511037A
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Improvements in balancing and compensating arrangements for two-phase installations
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GB493739A
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Improvements in and connected with magnetic circuits for electrical apparatus
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GB484462A
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Improvements in terminals for electrical connections
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GB509600A
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Improvements connected with auto-transformers
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US2194412A
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Auxiliary winding for transformers
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GB475613A
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Improvements connected with auxiliary windings for three-phase transformers
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GB480671A
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Improvements in finely sensitive relays
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GB479112A
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Supplying a single-phase load from a three-phase supply
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DE673318C
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Balancing and compensation device for a three-phase network in which a single-phase power consumer is connected to two phases
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GB430458A
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Supplying a single phase load from a three phase supply
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DE672224C
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Single-phase system for arc welding
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