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Celestial navigation is a way to find your latitude and longitude on earth using a sextant to measure the angular heights of celestial bodies above the horizon. It has been used by mariners at sea and explorers on land for three hundred years, and it is still used today as a dependable backup to modern electronic navigation. Routine celestial navigation relies upon accurate time (Universal Time) to find the longitude of a position (latitude does not require time). Advanced celestial navigators can find longitude without knowing the time using a technique called Lunar Distance. In this...

This is a biography of William Williams, a merchant, a delegate for Connecticut to the Continental Congress, and a signer of the Declaration of Independence. As the son of a minister, Williams studied theology and law at Harvard, and throughout his life religion was a great influence on his political presence.