10 Best Cars for the Great American Road Trip. PORTLAND, Ore. (TheStreet) -- The Great American Road Trip isn't dead, it just needs some tweaking. Getting out the map, seeing the country and sleeping where the day takes you is a grand tradition that the automobile is becoming less and less vital to.
Another benefit from the use of toroids is that shield cans aren't necessary in order to isolate the toroidal coil from adjacent components. Toroids have an inherent self-shielding property. Specifically, the field from a toroidal inductor is pretty much self-contained.
Due to its sturdy construction, the aneroid barometer has many uses. It is common to find aneroid barometers in homes, on boats, and in small planes. If you have ever seen a barometer hanging on a wall of a house and it just contains a dial with numbers (it looks a lot like a clock), that is an aneroid barometer. The other primary use of an aneroid barometer is in meteorology.