a computer device for finding and tracking variations in power and way of magnetized industries.
A instrument for calculating changes in the way and strength of magnetic areas
a computerized tool for registering, by photography or otherwise, the says and variants of every of the terrestrial magnetized elements.
A magnetometer organized to provide a computerized and continuous record regarding the changes in place regarding the magnet under the influence of the earth. This is certainly attained by the representation of an area of light from a mirror attached to the magnet on to a drum of sensitized paper turned by clockwork.
The record of a magnetometer; a magnetogram.
a scientific instrument that registers magnetized variants (especially variations regarding the earth's magnetized field)