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GB191418378A
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Improvements relating to Compasses for use on Board Ship or on Aeroplanes or for other purposes.
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GB191410734A
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An Improved Anti-friction Bearing for the Journals of Compass Bowls and such like.
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GB191306112A
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Improvements in Liquid Compasses.
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GB191225028A
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Improvements relating to the Mariners' Compass.
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GB191208955A
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Improvements in Navigational Sounding Machines.
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GB191107718A
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Improvements in Mariners' Compasses.
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GB190925936A
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Improvements in the Mariners' Compass.
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GB190920537A
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Improvements in Mariners' Compasses.
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GB190903252A
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Improvements in Electric Flash Lamps.
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GB190805068A
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An Improved Suspension for Compass Bowls.
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GB190707666A
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Improvements connected with Navigational Sounding Machines.
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GB190700326A
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Improvements connected with the Lighting of Ships' Compasses.
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GB190604885A
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An Improved Spring Suspension for the Bowls of Ships Compasses.
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GB190411807A
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Improvements relating to Ships' Compasses.
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GB190323043A
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Improvements connected with Magnetic Compasses.
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GB190305346A
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Improvements in Magnetic Compasses.
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GB190107281A
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Improvements in Sounding Machines
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GB189819605A
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Improvements in Sounding Machines.
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GB189524917A
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Improvements in and relating to the Mariners' Compass.
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GB189419220A
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Improvements in and relating to Electric Ship Logs and Speed Indicators.
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