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← HistoryWhich accuracy risk rises inside Harrison's marine chronometer mechanism when subjected high humidity?
A)Balance wheel moment decreases
B)Hairspring corrosion changes period✓
C)Mainspring torque output increases
D)Escape wheel escapement locks up
💡 Explanation
Hairspring dimensional stability enabled accurate time at sea; hairspring corrosion alters vibrational period because the thermal expansion shifts, therefore impacting overall chronometer accuracy, rather than directly affecting the balance wheel or locking the escapement.
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