BBT 6th order navigation light

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BBT 6th order navigation light

A 6th order copper & brass navigation light by BBT, France, circa 1900.

By Barbier, Benard, & Turenne of Paris for the harbour of Rouen.

300mm 6th order Fresnel lens marked: BBT 63733

Height: 137 cm.

Re-wired for electricity.

Literature: La lumière au bout du monde, Barbier , Bénard, et Turenne, Constructeurs de Phares. Ecomusée d’Ouessant. 1997.