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GB101898A
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Improvements in Electric Indicators.
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CA166219A
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Electric indicator
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GB191422487A
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Improvements in Electric Measuring Instruments for Alternating Currents.
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GB191421792A
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Electric Meters of the Thermal Type.
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CA163665A
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Volt ampere meter
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GB190725967A
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Improvements in Load Equalizers for Alternating Current Supply Circuits.
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GB190508907A
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Improvements in Systems of Electrical Distribution.
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GB190420001A
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Improvements in Systems of Electrical Distribution.
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GB190328051A
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Improvement in Synchronising Apparatus for Dynamo-electric Machines.
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CA77201A
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Synchronism indicator
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GB190114969A
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Improvement in Electric Synchronism and Frequency or Speed Indicators.
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