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Montague Island Lighthouse Heritage Management Plan 2020
Lantern glazingLantern glazing
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Lantern glazing
The middle section of the lantern, circular or polygonal in plan, between the lantern roof above and the lantern base below, made up of glass panes held in a framework of glazing bars. On the landward side there may be blank panels in place of glass, or other opaque construction. Types of lantern glazing include: flat and curved trapezoidal panes and curved diamond/triangular panes. Montague Island uses three tiers of flat trapezoidal glass.