| Definition of 'Magnetograph' |
Webster Dictionary |
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1. (noun) Magnetograph
an automatic instrument for registering, by photography or otherwise, the states and variations of any of the terrestrial magnetic elements
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| Definition of 'Magnetograph' |
The Standard Electrical Dictionary |
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1. Magnetograph
An apparatus for recording variations in magnetic elements. One type includes a magnetic needle to which a concave mirror is attached. The light ray from the mirror is reflected upon sensitized paper where its movements are photographically reproduced. The movements of the spot are due to the movements of the needle and act as the record of the same.
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Definitions of Magnetograph
