Instrument question meridian
When the direction of the magnetic meridian inclines to the left of the true meridian?
Deviation = East
Deviation = West
Variation = East
Variation = West
Deviation I know for sure, but east or west?
And
Flux detector valve?
a)
An element used in the direct reading magnetic compass that senses the effect of the earth's magnetic field as an electro-magnetically induced voltage.
b)
An element used in the gyro magnetic reading compass that senses the effect of the earth's magnetic field as an electro-magnetically induced voltage.
Regards