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William Edward Frodsham (1804-1825) Two-day Marine Chronometer, No. 1 London, c. 1825

William Edward Frodsham Two-day Marine Chronometer, No. 1 (Lot 209, Estimate: $4,000 - $6,000)

William Edward Frodsham Two-day Marine Chronometer, No. 1 (Lot 209, Estimate: $4,000 – $6,000)

For hundreds of years, mariners sailed the vast oceans knowing their position north or south of the equator (latitude), but could not determine their distance east or west of the prime meridian (Greenwich, England), or longitude. One can imagine the deadly consequences of knowing only one of these. Despite many crazy theories and attempts to determine longitude, an accurate timekeeper capable of keeping time under the difficult conditions found at sea seemed to provide the answer.… Read More