LIGHTS, RUNNING AND ANCHOR
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✎ Suggest a correctionGives distinguishing characteristics of lighthouses and lightships. Illustrates fixed light, flashing light, fixed and flashing light, group flashing, occulting, and alternation of color flashes.
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-01 03:45:53 · Suggest a correction