Meaning of GEISSLER PUMP in English

GEISSLER PUMP

noun

Usage: usually capitalized G

Etymology: after H. Geissler

: an air pump based on the principle of the Torricellian vacuum and having its vacuum produced by the flow of mercury back and forth between a fixed and a vertically adjustable reservoir

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.