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GB191209637A
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Improvements in and connected with Apparatus for Actuating Conduit Covers and Collector Ploughs of Electric Railways.
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GB191123495A
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Improvements in Apparatus for Actuating Conduit Covers and Collector Ploughs of Electric Railways.
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US1087322A
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Apparatus for actuating conduit-covers and collector-plows of electric railways.
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US1108084A
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Block system for tramways.
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US1004086A
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Spring-switch.
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US1041883A
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Chain and roller gearing for awnings and the like.
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US1011250A
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Mechanical block system for tramway-lines.
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US1028394A
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Apparatus for actuating the conduit-covers of electric railways.
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GB191009761A
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Improvements in and relating to Semaphore Mechanism for use with Mechanical Block Systems for Tramway Lines.
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GB191003770A
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Mechanical Block System for Tramways.
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US990907A
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Point-changing apparatus.
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GB190825314A
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Improvements in or relating to the Control of Railway Points and in Apparatus for use in connection therewith.
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US951151A
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Tramway-switch.
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GB190800498A
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Improved Apparatus for Setting the Points of a Railway or Tramway by the Driver of an Approaching Car or Vehicle
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