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Continuity path

Follow the continuity

The Great Light — One Optic Became Two

From Chance Brothers manufacture through Tory Island service to two surviving heritage objects

How did one hyper-radial optic become two distinct heritage identities?

This route follows governed relations from Smethwick manufacture through Tory Island service, reconstruction, and division into the Tory-retained component and the Belfast display object known as The Great Light.

Open the related Heritage Journey

Story path

Guided stages with identity-layer-friendly language.

    The hyper-radial optic was manufactured at Chance Brothers Smethwick Works.

    One physical optic later became two surviving heritage objects.

    Tory-retained component

    One branch of the reconstructed optic remained at Tory Island.

    The optic first served at Tory Island.

    Belfast / Great Light component

    The other branch became the surviving Mew Island / Great Light component.

    The Belfast component became the centre of The Great Light public display.

    The full narrative is explored in the related Heritage Journey.

    Sources and review notes are available in the Journey Research workspace.

Research path

Same nodes and edges with canonical IDs, relation IDs, and review state.

    manufactured_by relation from root optic to Smethwick workshop place.

    Transition code
    manufactured_at
    Relation IDs
    HERITAGE-REL-000029
    Evidence state
    accepted

    Governed split_into relations HERITAGE-REL-000033 and HERITAGE-REL-000034 at reconstruction.

    Tory-retained component

    split_into relation from root optic to Tory-retained component.

    Transition code
    split_into_components
    Relation IDs
    HERITAGE-REL-000033
    Evidence state
    accepted

    installed_at relation linking root optic to Tory Island heritage place.

    Transition code
    installed_at_station
    Relation IDs
    HERITAGE-REL-000030
    Evidence state
    accepted

    Belfast / Great Light component

    split_into relation from root optic to Mew Island / Great Light component.

    Transition code
    split_into_components
    Relation IDs
    HERITAGE-REL-000034
    Evidence state
    accepted

    displayed_at and current_location relations for Mew Island component at Belfast display site.

    Transition code
    displayed_by_institution
    Relation IDs
    HERITAGE-REL-000042, HERITAGE-REL-000043
    Evidence state
    accepted

    Journey record the-great-light represents the authored evidence-grounded narrative for this identity chain.

    Transition code
    represented_by_heritage_journey
    Relation IDs
    Journey membership / evidence context
    Evidence state
    accepted

    Evidence context links to Journey source_ids and relation source_evidence without duplicating canonical claims.

    Transition code
    supported_by_evidence
    Relation IDs
    Journey membership / evidence context
    Evidence state
    accepted

Open uncertainty

  • great-light-open-question-tory-subcomponent-model