Coconut oil, or copra oil, is an edible oil extracted from the kernel or meat of mature coconuts harvested from the coconut palm (Cocos nucifera). It has various applications.
The chronometer is an instrument that accurately measures time. The first one invented was a marine chronometer, and it was created out of the necessity to have an accurate timekeeper for sea travel. John Harrison, a British clockmaker, invented this device in 1737.
From the Greek word meaning measurer of weight or pressure.. The first barometer was invented by Torricelli in 1648 and indicated changed in atmospheric pressure by virtue of a fluctuation column of mercury. In 1847, Vidie developed the aneroid barometer which is still in use today.