Sid"er*o*scope (?), n. [Gr. &?;&?;&?;
iron + -scope.] An instrument for detecting small
quantities of iron in any substance by means of a very delicate
combination of magnetic needles.
Sid"er*o*scope (?), n. [Gr. &?;&?;&?;
iron + -scope.] An instrument for detecting small
quantities of iron in any substance by means of a very delicate
combination of magnetic needles.