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Webster 1913 Edition
Doubler
Dou′bler
,Noun.
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 1828 Edition
Doubler
DOUBLER
,Noun.
1.
He that doubles.2.
An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electrometer.