Sea Clocks: The Story of Longitude


Extreame Savings Item! Save 44% on the Sea Clocks: The Story of Longitude by Margaret K. McElderry Books at Cmc Schools. MPN: FBA-|300457. Hurry! Limited time offer. Offer valid only while supplies last. ''For hundreds of years ships had been sailing to places far and near without really knowing where they were!'' Sailors knew how to measure latitude, their location north or south of the equator, but they could not measure longitude, their location east or west of their home port. Because of this, many lives were lost worldwide. The key to solving this problem lay in devising a clock that could keep absolutely accurate time while at sea, unaltered by rough water or weather conditions. With


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Product Description & Reviews

''For hundreds of years ships had been sailing to places far and near without really knowing where they were!'' Sailors knew how to measure latitude, their location north or south of the equator, but they could not measure longitude, their location east or west of their home port. Because of this, many lives were lost worldwide. The key to solving this problem lay in devising a clock that could keep absolutely accurate time while at sea, unaltered by rough water or weather conditions. With

 


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