Barbara L
Traveling Welcome Wagon
Not yet. And although it is used to measure direction (and something else), it isn't direction in the way you might think.
Barbara
Barbara
Buckytom's weather answer is the closest so far, but not it.
HUGE clue: Something to do with the planet we live on. Well, most of us!
Barbara
You got it! It is an Earth Inductor (also called Delzenne's Circle). It measures the magnitude and direction of the Earth's magnetic field. This one was from the 1800s.Measures the Earth's magnetic fields?
ie an old timey magnetometer.