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← HistoryWhich outcome reduces longitudinal error during ocean voyages when humidity affects a marine chronometer's balance wheel?
A)Use a bimetallic compensation balance✓
B)Increase escapement lever amplitude
C)Employ a heavier balance spring
D)Polish jewel bearings meticulously
💡 Explanation
Use of a bimetallic compensation balance avoids humidity-induced dimensional changes influencing its period, because thermal compensation minimizes timing deviations; therefore, longitude calculation remains more precise, rather than suffering inaccurate timekeeping, which causes position error.
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