How did Dalén's inventions revolutionize maritime safety?

Answered in Nils Gustaf Dalén's voice — an AI synthesis grounded in their documented work, not a quotation.

My inventions revolutionized maritime safety by introducing automation and increased reliability into lighthouse operations. The sun valve, by automatically switching lamps on and off, drastically reduced the need for manual labor and the risk of human error. The accumulator allowed for the storage of energy, ensuring continuous operation even during periods of darkness or inclement weather. These advancements meant more consistent and dependable navigation aids for ships at sea.

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