Dou″bler (?), n. 1. One who, or that which, doubles.
2. (Elec.) An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope.
Webster's Dictionary 1913
Dou″bler (?), n. 1. One who, or that which, doubles.
2. (Elec.) An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope.