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GB109103A
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Improvements in or connected with Photographic Printing Apparatus.
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GB191229160A
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Improvements in Electric Arc Lamps.
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GB190401860A
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Improvements in or relating to Conductors of Electric Railways or Tramways.
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GB190019383A
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Improvements in and connected with Electric Arc Lamps.
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GB189809475A
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Improvements in and connected with Electric Arc Lamps.
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GB189807996A
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Improvements in and connected with Reflectors for Lamps or the like.
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GB189628392A
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Improvements in the Method of and Apparatus Employed in Controlling Gas Valves by Electrical Energy.
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GB189626965A
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Improvements in Means or Apparatus for Use in Electrically Lighting Incandescent and other Gas Burners.
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GB189617958A
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Improvements in or connected with Burners for Use in Gas Lighting.
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GB189616644A
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Improvements in the Means of Attaching Metal Contacts in Electrically Controlled and other Gas Burners.
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GB189411241A
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An Improved Electric Lamp.
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