GB191002277A
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Improvements relating to Magnetic Compasses.
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GB190920563A
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Improvements in Mariners' Compasses and like Instruments.
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GB190824248A
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Improvements in Winches
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GB190821995A
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Improvements in Indicators for Motive Power Engines.
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GB190728197A
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Improvements in Navigational Sounding Apparatus.
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GB190719224A
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Improvements in and relating to Mariners' Compasses.
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GB190513527A
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Improvements in or relating to Gimbals for Suspending Compass Bowls.
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GB190504702A
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Improved Means for Suspending the Bowl of the Mariner's Compass.
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GB190502720A
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Improvements in Azimuth Instruments.
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GB190410314A
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Improvements in Ship's Logs.
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GB190407537A
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Improvements in Steam Engine Indicators.
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GB190324881A
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Improvements in Deep Sea Sounding Machines
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GB190309661A
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Improvements in Deep Sea Sounding Machines.
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GB190108305A
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Improvements in and relating to the Mariners' Compass.
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GB189925712A
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Improvements in Navigational Sounding Apparatus.
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GB189925244A
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Improvements in Steam Engine Indicators.
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US728553A
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Navigational sounding apparatus.
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GB189912658A
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Improvements in Navigational Sounding Apparatus.
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GB189908735A
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Improvements in Steam Engine Indicators.
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GB189901915A
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Improvements in Navigational Sounding Apparatus.
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