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The Fresnel Lens by the National Park Service
ID: the-fresnel-lens-by-the-national-park-service
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The Fresnel Lens by the National Park Service
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Codex
0
2026-11-05
www.nps.gov/chis/learn/historyculture/fresnellens.htm
Preserved Anacapa
lighthouse
optical apparatus and
lens
history
.
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