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Norah Head Chance Bros first-order bivalve dioptric Fresnel lens

First-order Chance Brothers bivalve dioptric revolving optic at Norah Head.

Evidence note

B-grade: separate apparatus and heritage precinct sources both describe the host and Chance equipment.

Pending research evidence

Detected by the Chance Brothers Research Watch. These leads need review and corroboration before promotion.

  • Norah Head Lighthouse · Norah Head Lighthouse new · chance-heritage-trust-lighthouse-map · rejected_duplicate · 2026-08-17T09:36:26+00:00

Open Chance Research Watch QA

Source Evidence

Direct relationships

Reviewed links from this object to a station, place, manufacturer, collection, or another heritage identity.

Connections and discovery

View direct connection graph (2 objects)

Optional discovery

10 related objects

These reviewed objects are reached within two graph steps through a shared manufacturer, place, or related identity. They are discovery context, not part of this object's own lifecycle.

Shared manufacturer

Chance Brothers Smethwick Works

Show 4 more related objects

Shared manufacturer

Chance Brothers Smethwick Works

View full related network map (12 graph objects)
Data and downloads

Open lifecycle JSON · Open graph JSON · Open related lifecycle JSON · Open related graph JSON

Story Projects

Source-grounded narrative packs connected to this object.

Rights & Attribution

Content License

Original editorial content on this page: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International. See Rights & Reuse.

Media Rights

No published media with documented rights on this record.

Attribution

"Norah Head Chance Bros first-order bivalve dioptric Fresnel lens" · LUX-ASSET-000614 · © LUX143 · Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International · https://light.lux143.org/heritage-assets/LUX-ASSET-000614/

Citation

LUX Light Archive, Heritage asset: "Norah Head Chance Bros first-order bivalve dioptric Fresnel lens", LUX-ASSET-000614, https://light.lux143.org/heritage-assets/LUX-ASSET-000614/, accessed 2026-09-24, archive v0.24.572.