Webster’s Revised Unabridged Dictionary · 1913
Declinometer
Dec′li·nom′e·ter (dĕk′lĭ·nŏm′ē·tẽr), n. [Decline + -meter.] (Physics) An instrument for measuring the declination of the magnetic needle.
Webster’s Revised Unabridged Dictionary · 1913
Dec′li·nom′e·ter (dĕk′lĭ·nŏm′ē·tẽr), n. [Decline + -meter.] (Physics) An instrument for measuring the declination of the magnetic needle.