Lauritsen electroscope

Lauritsen electroscope

[′lau̇·rət·sən i′lek·trə‚skōp]
(electricity)
A rugged and sensitive electroscope in which a metallized quartz fiber is the sensitive element.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.