alleryWho built the chronometers that helped solve the problem of longitude at sea?
AIsaac Newton
BJohn Harrison
CEdmond Halley
DGalileo Galilei
Answer & Solution
Correct answer: B. John Harrison
1. The chronometer carries accurate home time to sea.
2. The Yorkshire clock-maker John Harrison built five of them.
3. Newton, Halley and Galileo did not build these chronometers.
_Source: Wikipedia, Longitude, The Chronometer_
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