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Continuity path

Follow the continuity

Cape North Lens — From Lighthouse to Museum

Operational optic, removal from station, and museum custody in Ottawa

How did a Cape North lighthouse lens become a museum heritage object?

This route traces the Cape North Chance Brothers lens from Smethwick manufacture through Cape North station service, removal, and museum display — without inferring media rights beyond governed evidence.

Open the related Heritage Journey

Story path

Guided stages with identity-layer-friendly language.

    The lens was manufactured at Chance Brothers Smethwick Works.

    The lens was installed and served at Cape North.

    The lens left Cape North lighthouse service.

    Primary confirmation of the 1980 removal date is still open.

    The lens left Cape North, but its heritage identity continued in a museum.

    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 Cape North lens to Smethwick workshop.

    Transition code
    manufactured_at
    Relation IDs
    HERITAGE-REL-000050
    Evidence state
    accepted

    installed_at relation linking lens to Cape North heritage place.

    Transition code
    installed_at_station
    Relation IDs
    HERITAGE-REL-000051
    Evidence state
    accepted

    removed_from relation; exact removal sequence remains an open question.

    Transition code
    removed_from_station
    Relation IDs
    HERITAGE-REL-000052
    Evidence state
    accepted
    Uncertainty
    Primary confirmation of the 1980 removal date is still open.

    displayed_at and current_location relations for museum custody at Canada Science and Technology Museum.

    Transition code
    displayed_by_institution
    Relation IDs
    HERITAGE-REL-000024, HERITAGE-REL-000053
    Evidence state
    accepted

    Journey record cape-north-lens represents the authored 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 sources without duplicating canonical claims.

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

Open uncertainty

  • cape-north-open-question-removal-sequence