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GB191128668A
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Improved Hoisting or Winding Gear for Arc Lamps and other uses.
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GB191123950A
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Improvements in Carbon Feeding Mechanism of Arc Lamps.
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GB191115862A
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Improved Clutch Mechanism for the Detachable Attachment of an Arc Lamp or other Appliance to a Post or High-up Support or Suspender.
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GB190221748A
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Improvements in Arc Electric Lamps.
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GB190009730A
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An Improvement in Electric Switches.
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GB189719307A
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Improvements in or connected with Electric Arc Lamps.
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GB189714198A
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Improvements in or connected with Electric Arc Lamps.
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GB189710995A
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Improvements in Carbon-holders for Electric Arc Lamps.
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GB189710994A
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Improvements in Electric Arc Lamps.
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