Page data
Keywords Lighting, Skylights
Published 2011
License CC BY-SA 4.0
Quality 1 stars.svg Stub
Page views 68

A deck prism is inserted into the deck of a ship, providing light below. They have been used for centuries, safer than candles, oil and kerosene lamps (dangerous aboard a rocking wooden ship).

It is laid flush into the deck, and the prism shape refracts natural light, dispersing it in the space below.

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