O Trabalho Da Viúva Ilumina Navios No Mar
Widow's Work Lights Ships at Sea
A determinação de uma viúva transformou a ideia inconclusa de seu marido para sinalizadores em um sistema de comunicação naval que salva vidas após anos de experimentação persistente.
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Widow's Work Lights Ships at Sea
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persistence
invention
maritime safety
women inventors
signal technology
hard work
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