May 23, 2023
Deck glass prism of USS Constitution, mid 19th century
These lie flush on the deck so that the glass prism refracts the natural light and diffuses it onto the deck below to provide illumination.
seen from United States
seen from United States
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seen from United States
seen from Germany
seen from United States
seen from Singapore
seen from Türkiye
seen from Germany
seen from Germany
seen from United States
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seen from Malaysia
seen from Ireland
seen from China
seen from Malaysia
seen from China
seen from Malaysia
seen from Malaysia
seen from China
Deck glass prism of USS Constitution, mid 19th century
These lie flush on the deck so that the glass prism refracts the natural light and diffuses it onto the deck below to provide illumination.